31958680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1499}}^1$

素因数の和:1564

約数の個数: 64

約数和(自身を含む): 79380000

約数和(自身を除く): 47421320

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, 1499, 1640, 2132, 2665, 2998, 4264, 5330, 5996, 7495, 10660, 11992, 14990, 19487, 21320, 29980, 38974, 59960, 61459, 77948, 97435, 122918, 155896, 194870, 245836, 307295, 389740, 491672, 614590, 779480, 798967, 1229180, 1597934, 2458360, 3195868, 3994835, 6391736, 7989670, 15979340, 31958680]

約数ペア:

[(1, 31958680), (2, 15979340), (4, 7989670), (5, 6391736), (8, 3994835), (10, 3195868), (13, 2458360), (20, 1597934), (26, 1229180), (40, 798967), (41, 779480), (52, 614590), (65, 491672), (82, 389740), (104, 307295), (130, 245836), (164, 194870), (205, 155896), (260, 122918), (328, 97435), (410, 77948), (520, 61459), (533, 59960), (820, 38974), (1066, 29980), (1499, 21320), (1640, 19487), (2132, 14990), (2665, 11992), (2998, 10660), (4264, 7495), (5330, 5996)]