31155640

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{6133}}^1$

素因数の和:6271

約数の個数: 32

約数和(自身を含む): 70663680

約数和(自身を除く): 39508040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 6133, 12266, 24532, 30665, 49064, 61330, 122660, 245320, 778891, 1557782, 3115564, 3894455, 6231128, 7788910, 15577820, 31155640]

約数ペア:

[(1, 31155640), (2, 15577820), (4, 7788910), (5, 6231128), (8, 3894455), (10, 3115564), (20, 1557782), (40, 778891), (127, 245320), (254, 122660), (508, 61330), (635, 49064), (1016, 30665), (1270, 24532), (2540, 12266), (5080, 6133)]