71309620

素因数分解:

$2^2\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{3499}}^1$

素因数の和:4527

約数の個数: 24

約数和(自身を含む): 149940000

約数和(自身を除く): 78630380

約数列:

[1, 2, 4, 5, 10, 20, 1019, 2038, 3499, 4076, 5095, 6998, 10190, 13996, 17495, 20380, 34990, 69980, 3565481, 7130962, 14261924, 17827405, 35654810, 71309620]

約数ペア:

[(1, 71309620), (2, 35654810), (4, 17827405), (5, 14261924), (10, 7130962), (20, 3565481), (1019, 69980), (2038, 34990), (3499, 20380), (4076, 17495), (5095, 13996), (6998, 10190)]