25489970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 54400896

約数和(自身を除く): 28910926

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 43, 55, 85, 86, 110, 170, 187, 215, 317, 374, 430, 473, 634, 731, 935, 946, 1462, 1585, 1870, 2365, 3170, 3487, 3655, 4730, 5389, 6974, 7310, 8041, 10778, 13631, 16082, 17435, 26945, 27262, 34870, 40205, 53890, 59279, 68155, 80410, 118558, 136310, 149941, 231727, 296395, 299882, 463454, 592790, 749705, 1158635, 1499410, 2317270, 2548997, 5097994, 12744985, 25489970]

約数ペア:

[(1, 25489970), (2, 12744985), (5, 5097994), (10, 2548997), (11, 2317270), (17, 1499410), (22, 1158635), (34, 749705), (43, 592790), (55, 463454), (85, 299882), (86, 296395), (110, 231727), (170, 149941), (187, 136310), (215, 118558), (317, 80410), (374, 68155), (430, 59279), (473, 53890), (634, 40205), (731, 34870), (935, 27262), (946, 26945), (1462, 17435), (1585, 16082), (1870, 13631), (2365, 10778), (3170, 8041), (3487, 7310), (3655, 6974), (4730, 5389)]