1195640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 2734560

約数和(自身を除く): 1538920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 421, 568, 710, 842, 1420, 1684, 2105, 2840, 3368, 4210, 8420, 16840, 29891, 59782, 119564, 149455, 239128, 298910, 597820, 1195640]

約数ペア:

[(1, 1195640), (2, 597820), (4, 298910), (5, 239128), (8, 149455), (10, 119564), (20, 59782), (40, 29891), (71, 16840), (142, 8420), (284, 4210), (355, 3368), (421, 2840), (568, 2105), (710, 1684), (842, 1420)]