66974960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64399}}^1$

素因数の和:64425

約数の個数: 40

約数和(自身を含む): 167697600

約数和(自身を除く): 100722640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 64399, 128798, 257596, 321995, 515192, 643990, 837187, 1030384, 1287980, 1674374, 2575960, 3348748, 4185935, 5151920, 6697496, 8371870, 13394992, 16743740, 33487480, 66974960]

約数ペア:

[(1, 66974960), (2, 33487480), (4, 16743740), (5, 13394992), (8, 8371870), (10, 6697496), (13, 5151920), (16, 4185935), (20, 3348748), (26, 2575960), (40, 1674374), (52, 1287980), (65, 1030384), (80, 837187), (104, 643990), (130, 515192), (208, 321995), (260, 257596), (520, 128798), (1040, 64399)]