39331640

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6263}}^1$

素因数の和:6431

約数の個数: 32

約数和(自身を含む): 89074080

約数和(自身を除く): 49742440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6263, 6280, 12526, 25052, 31315, 50104, 62630, 125260, 250520, 983291, 1966582, 3933164, 4916455, 7866328, 9832910, 19665820, 39331640]

約数ペア:

[(1, 39331640), (2, 19665820), (4, 9832910), (5, 7866328), (8, 4916455), (10, 3933164), (20, 1966582), (40, 983291), (157, 250520), (314, 125260), (628, 62630), (785, 50104), (1256, 31315), (1570, 25052), (3140, 12526), (6263, 6280)]