1279550

素因数分解:

$2^1\times 5^2\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:332

約数の個数: 24

約数和(自身を含む): 2409816

約数和(自身を除く): 1130266

約数列:

[1, 2, 5, 10, 25, 50, 157, 163, 314, 326, 785, 815, 1570, 1630, 3925, 4075, 7850, 8150, 25591, 51182, 127955, 255910, 639775, 1279550]

約数ペア:

[(1, 1279550), (2, 639775), (5, 255910), (10, 127955), (25, 51182), (50, 25591), (157, 8150), (163, 7850), (314, 4075), (326, 3925), (785, 1630), (815, 1570)]