16515280

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{3499}}^1$

素因数の和:3571

約数の個数: 40

約数和(自身を含む): 39060000

約数和(自身を除く): 22544720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 3499, 4720, 6998, 13996, 17495, 27992, 34990, 55984, 69980, 139960, 206441, 279920, 412882, 825764, 1032205, 1651528, 2064410, 3303056, 4128820, 8257640, 16515280]

約数ペア:

[(1, 16515280), (2, 8257640), (4, 4128820), (5, 3303056), (8, 2064410), (10, 1651528), (16, 1032205), (20, 825764), (40, 412882), (59, 279920), (80, 206441), (118, 139960), (236, 69980), (295, 55984), (472, 34990), (590, 27992), (944, 17495), (1180, 13996), (2360, 6998), (3499, 4720)]