8505640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1487}}^1$

素因数の和:1522

約数の個数: 64

約数和(自身を含む): 22498560

約数和(自身を除く): 13992920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 1487, 2860, 2974, 5720, 5948, 7435, 11896, 14870, 16357, 19331, 29740, 32714, 38662, 59480, 65428, 77324, 81785, 96655, 130856, 154648, 163570, 193310, 212641, 327140, 386620, 425282, 654280, 773240, 850564, 1063205, 1701128, 2126410, 4252820, 8505640]

約数ペア:

[(1, 8505640), (2, 4252820), (4, 2126410), (5, 1701128), (8, 1063205), (10, 850564), (11, 773240), (13, 654280), (20, 425282), (22, 386620), (26, 327140), (40, 212641), (44, 193310), (52, 163570), (55, 154648), (65, 130856), (88, 96655), (104, 81785), (110, 77324), (130, 65428), (143, 59480), (220, 38662), (260, 32714), (286, 29740), (440, 19331), (520, 16357), (572, 14870), (715, 11896), (1144, 7435), (1430, 5948), (1487, 5720), (2860, 2974)]