2049881600

素因数分解:

$2^9\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:265

約数の個数: 240

約数和(自身を含む): 5569310208

約数和(自身を除く): 3519428608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 97, 100, 104, 127, 128, 130, 160, 194, 200, 208, 254, 256, 260, 320, 325, 388, 400, 416, 485, 508, 512, 520, 635, 640, 650, 776, 800, 832, 970, 1016, 1040, 1261, 1270, 1280, 1300, 1552, 1600, 1651, 1664, 1940, 2032, 2080, 2425, 2522, 2540, 2560, 2600, 3104, 3175, 3200, 3302, 3328, 3880, 4064, 4160, 4850, 5044, 5080, 5200, 6208, 6305, 6350, 6400, 6604, 6656, 7760, 8128, 8255, 8320, 9700, 10088, 10160, 10400, 12319, 12416, 12610, 12700, 12800, 13208, 15520, 16256, 16510, 16640, 19400, 20176, 20320, 20800, 24638, 24832, 25220, 25400, 26416, 31040, 31525, 32512, 33020, 33280, 38800, 40352, 40640, 41275, 41600, 49276, 49664, 50440, 50800, 52832, 61595, 62080, 63050, 65024, 66040, 77600, 80704, 81280, 82550, 83200, 98552, 100880, 101600, 105664, 123190, 124160, 126100, 132080, 155200, 160147, 161408, 162560, 165100, 166400, 197104, 201760, 203200, 211328, 246380, 248320, 252200, 264160, 307975, 310400, 320294, 322816, 325120, 330200, 394208, 403520, 406400, 422656, 492760, 504400, 528320, 615950, 620800, 640588, 645632, 660400, 788416, 800735, 807040, 812800, 845312, 985520, 1008800, 1056640, 1231900, 1241600, 1281176, 1320800, 1576832, 1601470, 1614080, 1625600, 1971040, 2017600, 2113280, 2463800, 2562352, 2641600, 3153664, 3202940, 3228160, 3942080, 4003675, 4035200, 4226560, 4927600, 5124704, 5283200, 6307328, 6405880, 7884160, 8007350, 8070400, 9855200, 10249408, 10566400, 12811760, 15768320, 16014700, 16140800, 19710400, 20498816, 21132800, 25623520, 31536640, 32029400, 39420800, 40997632, 51247040, 64058800, 78841600, 81995264, 102494080, 128117600, 157683200, 204988160, 256235200, 409976320, 512470400, 1024940800, 2049881600]

約数ペア:

[(1, 2049881600), (2, 1024940800), (4, 512470400), (5, 409976320), (8, 256235200), (10, 204988160), (13, 157683200), (16, 128117600), (20, 102494080), (25, 81995264), (26, 78841600), (32, 64058800), (40, 51247040), (50, 40997632), (52, 39420800), (64, 32029400), (65, 31536640), (80, 25623520), (97, 21132800), (100, 20498816), (104, 19710400), (127, 16140800), (128, 16014700), (130, 15768320), (160, 12811760), (194, 10566400), (200, 10249408), (208, 9855200), (254, 8070400), (256, 8007350), (260, 7884160), (320, 6405880), (325, 6307328), (388, 5283200), (400, 5124704), (416, 4927600), (485, 4226560), (508, 4035200), (512, 4003675), (520, 3942080), (635, 3228160), (640, 3202940), (650, 3153664), (776, 2641600), (800, 2562352), (832, 2463800), (970, 2113280), (1016, 2017600), (1040, 1971040), (1261, 1625600), (1270, 1614080), (1280, 1601470), (1300, 1576832), (1552, 1320800), (1600, 1281176), (1651, 1241600), (1664, 1231900), (1940, 1056640), (2032, 1008800), (2080, 985520), (2425, 845312), (2522, 812800), (2540, 807040), (2560, 800735), (2600, 788416), (3104, 660400), (3175, 645632), (3200, 640588), (3302, 620800), (3328, 615950), (3880, 528320), (4064, 504400), (4160, 492760), (4850, 422656), (5044, 406400), (5080, 403520), (5200, 394208), (6208, 330200), (6305, 325120), (6350, 322816), (6400, 320294), (6604, 310400), (6656, 307975), (7760, 264160), (8128, 252200), (8255, 248320), (8320, 246380), (9700, 211328), (10088, 203200), (10160, 201760), (10400, 197104), (12319, 166400), (12416, 165100), (12610, 162560), (12700, 161408), (12800, 160147), (13208, 155200), (15520, 132080), (16256, 126100), (16510, 124160), (16640, 123190), (19400, 105664), (20176, 101600), (20320, 100880), (20800, 98552), (24638, 83200), (24832, 82550), (25220, 81280), (25400, 80704), (26416, 77600), (31040, 66040), (31525, 65024), (32512, 63050), (33020, 62080), (33280, 61595), (38800, 52832), (40352, 50800), (40640, 50440), (41275, 49664), (41600, 49276)]