25394720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:478

約数の個数: 96

約数和(自身を含む): 66996720

約数和(自身を除く): 41602000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 65, 80, 104, 116, 130, 145, 160, 208, 232, 260, 290, 377, 416, 421, 464, 520, 580, 754, 842, 928, 1040, 1160, 1508, 1684, 1885, 2080, 2105, 2320, 3016, 3368, 3770, 4210, 4640, 5473, 6032, 6736, 7540, 8420, 10946, 12064, 12209, 13472, 15080, 16840, 21892, 24418, 27365, 30160, 33680, 43784, 48836, 54730, 60320, 61045, 67360, 87568, 97672, 109460, 122090, 158717, 175136, 195344, 218920, 244180, 317434, 390688, 437840, 488360, 634868, 793585, 875680, 976720, 1269736, 1587170, 1953440, 2539472, 3174340, 5078944, 6348680, 12697360, 25394720]

約数ペア:

[(1, 25394720), (2, 12697360), (4, 6348680), (5, 5078944), (8, 3174340), (10, 2539472), (13, 1953440), (16, 1587170), (20, 1269736), (26, 976720), (29, 875680), (32, 793585), (40, 634868), (52, 488360), (58, 437840), (65, 390688), (80, 317434), (104, 244180), (116, 218920), (130, 195344), (145, 175136), (160, 158717), (208, 122090), (232, 109460), (260, 97672), (290, 87568), (377, 67360), (416, 61045), (421, 60320), (464, 54730), (520, 48836), (580, 43784), (754, 33680), (842, 30160), (928, 27365), (1040, 24418), (1160, 21892), (1508, 16840), (1684, 15080), (1885, 13472), (2080, 12209), (2105, 12064), (2320, 10946), (3016, 8420), (3368, 7540), (3770, 6736), (4210, 6032), (4640, 5473)]