25351280

素因数分解:

$2^4\times 5^1\times {\mathrm{316891}}^1$

素因数の和:316904

約数の個数: 20

約数和(自身を含む): 58941912

約数和(自身を除く): 33590632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 316891, 633782, 1267564, 1584455, 2535128, 3168910, 5070256, 6337820, 12675640, 25351280]

約数ペア:

[(1, 25351280), (2, 12675640), (4, 6337820), (5, 5070256), (8, 3168910), (10, 2535128), (16, 1584455), (20, 1267564), (40, 633782), (80, 316891)]