848281780

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{81409}}^1$

素因数の和:81939

約数の個数: 24

約数和(自身を含む): 1784832840

約数和(自身を除く): 936551060

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210, 10420, 81409, 162818, 325636, 407045, 814090, 1628180, 42414089, 84828178, 169656356, 212070445, 424140890, 848281780]

約数ペア:

[(1, 848281780), (2, 424140890), (4, 212070445), (5, 169656356), (10, 84828178), (20, 42414089), (521, 1628180), (1042, 814090), (2084, 407045), (2605, 325636), (5210, 162818), (10420, 81409)]