65343820

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{6271}}^1$

素因数の和:6801

約数の個数: 24

約数和(自身を含む): 137507328

約数和(自身を除く): 72163508

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210, 6271, 10420, 12542, 25084, 31355, 62710, 125420, 3267191, 6534382, 13068764, 16335955, 32671910, 65343820]

約数ペア:

[(1, 65343820), (2, 32671910), (4, 16335955), (5, 13068764), (10, 6534382), (20, 3267191), (521, 125420), (1042, 62710), (2084, 31355), (2605, 25084), (5210, 12542), (6271, 10420)]