9972920

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{881}}^1$

素因数の和:1175

約数の個数: 32

約数和(自身を含む): 22543920

約数和(自身を除く): 12571000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 881, 1132, 1415, 1762, 2264, 2830, 3524, 4405, 5660, 7048, 8810, 11320, 17620, 35240, 249323, 498646, 997292, 1246615, 1994584, 2493230, 4986460, 9972920]

約数ペア:

[(1, 9972920), (2, 4986460), (4, 2493230), (5, 1994584), (8, 1246615), (10, 997292), (20, 498646), (40, 249323), (283, 35240), (566, 17620), (881, 11320), (1132, 8810), (1415, 7048), (1762, 5660), (2264, 4405), (2830, 3524)]