63989780

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{31063}}^1$

素因数の和:31175

約数の個数: 24

約数和(自身を含む): 135687552

約数和(自身を除く): 71697772

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 31063, 62126, 124252, 155315, 310630, 621260, 3199489, 6398978, 12797956, 15997445, 31994890, 63989780]

約数ペア:

[(1, 63989780), (2, 31994890), (4, 15997445), (5, 12797956), (10, 6398978), (20, 3199489), (103, 621260), (206, 310630), (412, 155315), (515, 124252), (1030, 62126), (2060, 31063)]