39535640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13921}}^1$

素因数の和:14003

約数の個数: 32

約数和(自身を含む): 90214560

約数和(自身を除く): 50678920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 13921, 27842, 55684, 69605, 111368, 139210, 278420, 556840, 988391, 1976782, 3953564, 4941955, 7907128, 9883910, 19767820, 39535640]

約数ペア:

[(1, 39535640), (2, 19767820), (4, 9883910), (5, 7907128), (8, 4941955), (10, 3953564), (20, 1976782), (40, 988391), (71, 556840), (142, 278420), (284, 139210), (355, 111368), (568, 69605), (710, 55684), (1420, 27842), (2840, 13921)]