25891640

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{8867}}^1$

素因数の和:8951

約数の個数: 32

約数和(自身を含む): 59060880

約数和(自身を除く): 33169240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 8867, 17734, 35468, 44335, 70936, 88670, 177340, 354680, 647291, 1294582, 2589164, 3236455, 5178328, 6472910, 12945820, 25891640]

約数ペア:

[(1, 25891640), (2, 12945820), (4, 6472910), (5, 5178328), (8, 3236455), (10, 2589164), (20, 1294582), (40, 647291), (73, 354680), (146, 177340), (292, 88670), (365, 70936), (584, 44335), (730, 35468), (1460, 17734), (2920, 8867)]