260052040

素因数分解:

$2^3\times 5^1\times {\mathrm{6501301}}^1$

素因数の和:6501312

約数の個数: 16

約数和(自身を含む): 585117180

約数和(自身を除く): 325065140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6501301, 13002602, 26005204, 32506505, 52010408, 65013010, 130026020, 260052040]

約数ペア:

[(1, 260052040), (2, 130026020), (4, 65013010), (5, 52010408), (8, 32506505), (10, 26005204), (20, 13002602), (40, 6501301)]