21156574400

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{8009}}^1$

素因数の和:8171

約数の個数: 168

約数和(自身を含む): 56511383040

約数和(自身を除く): 35354808640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 127, 130, 160, 200, 208, 254, 260, 320, 325, 400, 416, 508, 520, 635, 650, 800, 832, 1016, 1040, 1270, 1300, 1600, 1651, 2032, 2080, 2540, 2600, 3175, 3302, 4064, 4160, 5080, 5200, 6350, 6604, 8009, 8128, 8255, 10160, 10400, 12700, 13208, 16018, 16510, 20320, 20800, 25400, 26416, 32036, 33020, 40045, 40640, 41275, 50800, 52832, 64072, 66040, 80090, 82550, 101600, 104117, 105664, 128144, 132080, 160180, 165100, 200225, 203200, 208234, 256288, 264160, 320360, 330200, 400450, 416468, 512576, 520585, 528320, 640720, 660400, 800900, 832936, 1017143, 1041170, 1281440, 1320800, 1601800, 1665872, 2034286, 2082340, 2562880, 2602925, 2641600, 3203600, 3331744, 4068572, 4164680, 5085715, 5205850, 6407200, 6663488, 8137144, 8329360, 10171430, 10411700, 12814400, 13222859, 16274288, 16658720, 20342860, 20823400, 25428575, 26445718, 32548576, 33317440, 40685720, 41646800, 50857150, 52891436, 65097152, 66114295, 81371440, 83293600, 101714300, 105782872, 132228590, 162742880, 166587200, 203428600, 211565744, 264457180, 325485760, 330571475, 406857200, 423131488, 528914360, 661142950, 813714400, 846262976, 1057828720, 1322285900, 1627428800, 2115657440, 2644571800, 4231314880, 5289143600, 10578287200, 21156574400]

約数ペア:

[(1, 21156574400), (2, 10578287200), (4, 5289143600), (5, 4231314880), (8, 2644571800), (10, 2115657440), (13, 1627428800), (16, 1322285900), (20, 1057828720), (25, 846262976), (26, 813714400), (32, 661142950), (40, 528914360), (50, 423131488), (52, 406857200), (64, 330571475), (65, 325485760), (80, 264457180), (100, 211565744), (104, 203428600), (127, 166587200), (130, 162742880), (160, 132228590), (200, 105782872), (208, 101714300), (254, 83293600), (260, 81371440), (320, 66114295), (325, 65097152), (400, 52891436), (416, 50857150), (508, 41646800), (520, 40685720), (635, 33317440), (650, 32548576), (800, 26445718), (832, 25428575), (1016, 20823400), (1040, 20342860), (1270, 16658720), (1300, 16274288), (1600, 13222859), (1651, 12814400), (2032, 10411700), (2080, 10171430), (2540, 8329360), (2600, 8137144), (3175, 6663488), (3302, 6407200), (4064, 5205850), (4160, 5085715), (5080, 4164680), (5200, 4068572), (6350, 3331744), (6604, 3203600), (8009, 2641600), (8128, 2602925), (8255, 2562880), (10160, 2082340), (10400, 2034286), (12700, 1665872), (13208, 1601800), (16018, 1320800), (16510, 1281440), (20320, 1041170), (20800, 1017143), (25400, 832936), (26416, 800900), (32036, 660400), (33020, 640720), (40045, 528320), (40640, 520585), (41275, 512576), (50800, 416468), (52832, 400450), (64072, 330200), (66040, 320360), (80090, 264160), (82550, 256288), (101600, 208234), (104117, 203200), (105664, 200225), (128144, 165100), (132080, 160180)]