7972460

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2539}}^1$

素因数の和:2705

約数の個数: 24

約数和(自身を含む): 16855440

約数和(自身を除く): 8882980

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 2539, 3140, 5078, 10156, 12695, 25390, 50780, 398623, 797246, 1594492, 1993115, 3986230, 7972460]

約数ペア:

[(1, 7972460), (2, 3986230), (4, 1993115), (5, 1594492), (10, 797246), (20, 398623), (157, 50780), (314, 25390), (628, 12695), (785, 10156), (1570, 5078), (2539, 3140)]