31702840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1487}}^1$

素因数の和:1552

約数の個数: 64

約数和(自身を含む): 78744960

約数和(自身を除く): 47042120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1487, 1640, 2132, 2665, 2974, 4264, 5330, 5948, 7435, 10660, 11896, 14870, 19331, 21320, 29740, 38662, 59480, 60967, 77324, 96655, 121934, 154648, 193310, 243868, 304835, 386620, 487736, 609670, 773240, 792571, 1219340, 1585142, 2438680, 3170284, 3962855, 6340568, 7925710, 15851420, 31702840]

約数ペア:

[(1, 31702840), (2, 15851420), (4, 7925710), (5, 6340568), (8, 3962855), (10, 3170284), (13, 2438680), (20, 1585142), (26, 1219340), (40, 792571), (41, 773240), (52, 609670), (65, 487736), (82, 386620), (104, 304835), (130, 243868), (164, 193310), (205, 154648), (260, 121934), (328, 96655), (410, 77324), (520, 60967), (533, 59480), (820, 38662), (1066, 29740), (1487, 21320), (1640, 19331), (2132, 14870), (2665, 11896), (2974, 10660), (4264, 7435), (5330, 5948)]