8408955620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{610229}}^1$

素因数の和:610304

約数の個数: 48

約数和(自身を含む): 19376022960

約数和(自身を除く): 10967067340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 13780, 610229, 1220458, 2440916, 3051145, 6102290, 7932977, 12204580, 15865954, 31731908, 32342137, 39664885, 64684274, 79329770, 129368548, 158659540, 161710685, 323421370, 420447781, 646842740, 840895562, 1681791124, 2102238905, 4204477810, 8408955620]

約数ペア:

[(1, 8408955620), (2, 4204477810), (4, 2102238905), (5, 1681791124), (10, 840895562), (13, 646842740), (20, 420447781), (26, 323421370), (52, 161710685), (53, 158659540), (65, 129368548), (106, 79329770), (130, 64684274), (212, 39664885), (260, 32342137), (265, 31731908), (530, 15865954), (689, 12204580), (1060, 7932977), (1378, 6102290), (2756, 3051145), (3445, 2440916), (6890, 1220458), (13780, 610229)]