204988160

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 538438656

約数和(自身を除く): 333450496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 97, 104, 127, 128, 130, 160, 194, 208, 254, 256, 260, 320, 388, 416, 485, 508, 520, 635, 640, 776, 832, 970, 1016, 1040, 1261, 1270, 1280, 1552, 1651, 1664, 1940, 2032, 2080, 2522, 2540, 3104, 3302, 3328, 3880, 4064, 4160, 5044, 5080, 6208, 6305, 6604, 7760, 8128, 8255, 8320, 10088, 10160, 12319, 12416, 12610, 13208, 15520, 16256, 16510, 16640, 20176, 20320, 24638, 24832, 25220, 26416, 31040, 32512, 33020, 40352, 40640, 49276, 50440, 52832, 61595, 62080, 66040, 80704, 81280, 98552, 100880, 105664, 123190, 124160, 132080, 160147, 161408, 162560, 197104, 201760, 211328, 246380, 264160, 320294, 322816, 394208, 403520, 422656, 492760, 528320, 640588, 788416, 800735, 807040, 985520, 1056640, 1281176, 1576832, 1601470, 1614080, 1971040, 2113280, 2562352, 3153664, 3202940, 3942080, 5124704, 6405880, 7884160, 10249408, 12811760, 15768320, 20498816, 25623520, 40997632, 51247040, 102494080, 204988160]

約数ペア:

[(1, 204988160), (2, 102494080), (4, 51247040), (5, 40997632), (8, 25623520), (10, 20498816), (13, 15768320), (16, 12811760), (20, 10249408), (26, 7884160), (32, 6405880), (40, 5124704), (52, 3942080), (64, 3202940), (65, 3153664), (80, 2562352), (97, 2113280), (104, 1971040), (127, 1614080), (128, 1601470), (130, 1576832), (160, 1281176), (194, 1056640), (208, 985520), (254, 807040), (256, 800735), (260, 788416), (320, 640588), (388, 528320), (416, 492760), (485, 422656), (508, 403520), (520, 394208), (635, 322816), (640, 320294), (776, 264160), (832, 246380), (970, 211328), (1016, 201760), (1040, 197104), (1261, 162560), (1270, 161408), (1280, 160147), (1552, 132080), (1651, 124160), (1664, 123190), (1940, 105664), (2032, 100880), (2080, 98552), (2522, 81280), (2540, 80704), (3104, 66040), (3302, 62080), (3328, 61595), (3880, 52832), (4064, 50440), (4160, 49276), (5044, 40640), (5080, 40352), (6208, 33020), (6305, 32512), (6604, 31040), (7760, 26416), (8128, 25220), (8255, 24832), (8320, 24638), (10088, 20320), (10160, 20176), (12319, 16640), (12416, 16510), (12610, 16256), (13208, 15520)]