51118840

素因数分解:

$2^3\times 5^1\times {\mathrm{1277971}}^1$

素因数の和:1277982

約数の個数: 16

約数和(自身を含む): 115017480

約数和(自身を除く): 63898640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1277971, 2555942, 5111884, 6389855, 10223768, 12779710, 25559420, 51118840]

約数ペア:

[(1, 51118840), (2, 25559420), (4, 12779710), (5, 10223768), (8, 6389855), (10, 5111884), (20, 2555942), (40, 1277971)]