31045640

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{5209}}^1$

素因数の和:5369

約数の個数: 32

約数和(自身を含む): 70335000

約数和(自身を除く): 39289360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5209, 5960, 10418, 20836, 26045, 41672, 52090, 104180, 208360, 776141, 1552282, 3104564, 3880705, 6209128, 7761410, 15522820, 31045640]

約数ペア:

[(1, 31045640), (2, 15522820), (4, 7761410), (5, 6209128), (8, 3880705), (10, 3104564), (20, 1552282), (40, 776141), (149, 208360), (298, 104180), (596, 52090), (745, 41672), (1192, 26045), (1490, 20836), (2980, 10418), (5209, 5960)]