56551207480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1\times {\mathrm{1489}}^1$

素因数の和:1925

約数の個数: 128

約数和(自身を含む): 132546585600

約数和(自身を除く): 75995378120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 71, 86, 142, 172, 215, 284, 311, 344, 355, 430, 568, 622, 710, 860, 1244, 1420, 1489, 1555, 1720, 2488, 2840, 2978, 3053, 3110, 5956, 6106, 6220, 7445, 11912, 12212, 12440, 13373, 14890, 15265, 22081, 24424, 26746, 29780, 30530, 44162, 53492, 59560, 61060, 64027, 66865, 88324, 105719, 106984, 110405, 122120, 128054, 133730, 176648, 211438, 220810, 256108, 267460, 320135, 422876, 441620, 463079, 512216, 528595, 534920, 640270, 845752, 883240, 926158, 949483, 1057190, 1280540, 1852316, 1898966, 2114380, 2315395, 2561080, 3704632, 3797932, 4228760, 4545917, 4630790, 4747415, 7595864, 9091834, 9261580, 9494830, 18183668, 18523160, 18989660, 19912397, 22729585, 32878609, 36367336, 37979320, 39824794, 45459170, 65757218, 79649588, 90918340, 99561985, 131514436, 159299176, 164393045, 181836680, 199123970, 263028872, 328786090, 398247940, 657572180, 796495880, 1315144360, 1413780187, 2827560374, 5655120748, 7068900935, 11310241496, 14137801870, 28275603740, 56551207480]

約数ペア:

[(1, 56551207480), (2, 28275603740), (4, 14137801870), (5, 11310241496), (8, 7068900935), (10, 5655120748), (20, 2827560374), (40, 1413780187), (43, 1315144360), (71, 796495880), (86, 657572180), (142, 398247940), (172, 328786090), (215, 263028872), (284, 199123970), (311, 181836680), (344, 164393045), (355, 159299176), (430, 131514436), (568, 99561985), (622, 90918340), (710, 79649588), (860, 65757218), (1244, 45459170), (1420, 39824794), (1489, 37979320), (1555, 36367336), (1720, 32878609), (2488, 22729585), (2840, 19912397), (2978, 18989660), (3053, 18523160), (3110, 18183668), (5956, 9494830), (6106, 9261580), (6220, 9091834), (7445, 7595864), (11912, 4747415), (12212, 4630790), (12440, 4545917), (13373, 4228760), (14890, 3797932), (15265, 3704632), (22081, 2561080), (24424, 2315395), (26746, 2114380), (29780, 1898966), (30530, 1852316), (44162, 1280540), (53492, 1057190), (59560, 949483), (61060, 926158), (64027, 883240), (66865, 845752), (88324, 640270), (105719, 534920), (106984, 528595), (110405, 512216), (122120, 463079), (128054, 441620), (133730, 422876), (176648, 320135), (211438, 267460), (220810, 256108)]