1038996920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{68899}}^1$

素因数の和:68952

約数の個数: 64

約数和(自身を含む): 2604420000

約数和(自身を除く): 1565423080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 580, 754, 1160, 1508, 1885, 3016, 3770, 7540, 15080, 68899, 137798, 275596, 344495, 551192, 688990, 895687, 1377980, 1791374, 1998071, 2755960, 3582748, 3996142, 4478435, 7165496, 7992284, 8956870, 9990355, 15984568, 17913740, 19980710, 25974923, 35827480, 39961420, 51949846, 79922840, 103899692, 129874615, 207799384, 259749230, 519498460, 1038996920]

約数ペア:

[(1, 1038996920), (2, 519498460), (4, 259749230), (5, 207799384), (8, 129874615), (10, 103899692), (13, 79922840), (20, 51949846), (26, 39961420), (29, 35827480), (40, 25974923), (52, 19980710), (58, 17913740), (65, 15984568), (104, 9990355), (116, 8956870), (130, 7992284), (145, 7165496), (232, 4478435), (260, 3996142), (290, 3582748), (377, 2755960), (520, 1998071), (580, 1791374), (754, 1377980), (1160, 895687), (1508, 688990), (1885, 551192), (3016, 344495), (3770, 275596), (7540, 137798), (15080, 68899)]