68680460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79861}}^1$

素因数の和:79913

約数の個数: 24

約数和(自身を含む): 147584976

約数和(自身を除く): 78904516

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 79861, 159722, 319444, 399305, 798610, 1597220, 3434023, 6868046, 13736092, 17170115, 34340230, 68680460]

約数ペア:

[(1, 68680460), (2, 34340230), (4, 17170115), (5, 13736092), (10, 6868046), (20, 3434023), (43, 1597220), (86, 798610), (172, 399305), (215, 319444), (430, 159722), (860, 79861)]