51124520

素因数分解:

$2^3\times 5^1\times {\mathrm{1278113}}^1$

素因数の和:1278124

約数の個数: 16

約数和(自身を含む): 115030260

約数和(自身を除く): 63905740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1278113, 2556226, 5112452, 6390565, 10224904, 12781130, 25562260, 51124520]

約数ペア:

[(1, 51124520), (2, 25562260), (4, 12781130), (5, 10224904), (8, 6390565), (10, 5112452), (20, 2556226), (40, 1278113)]