4461640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1571}}^1$

素因数の和:1653

約数の個数: 32

約数和(自身を含む): 10186560

約数和(自身を除く): 5724920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 1571, 2840, 3142, 6284, 7855, 12568, 15710, 31420, 62840, 111541, 223082, 446164, 557705, 892328, 1115410, 2230820, 4461640]

約数ペア:

[(1, 4461640), (2, 2230820), (4, 1115410), (5, 892328), (8, 557705), (10, 446164), (20, 223082), (40, 111541), (71, 62840), (142, 31420), (284, 15710), (355, 12568), (568, 7855), (710, 6284), (1420, 3142), (1571, 2840)]