25219640

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{3301}}^1$

素因数の和:3503

約数の個数: 32

約数和(自身を含む): 57058560

約数和(自身を除く): 31838920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3301, 3820, 6602, 7640, 13204, 16505, 26408, 33010, 66020, 132040, 630491, 1260982, 2521964, 3152455, 5043928, 6304910, 12609820, 25219640]

約数ペア:

[(1, 25219640), (2, 12609820), (4, 6304910), (5, 5043928), (8, 3152455), (10, 2521964), (20, 1260982), (40, 630491), (191, 132040), (382, 66020), (764, 33010), (955, 26408), (1528, 16505), (1910, 13204), (3301, 7640), (3820, 6602)]