261247060

素因数分解:

$2^2\times 5^1\times {\mathrm{3067}}^1\times {\mathrm{4259}}^1$

素因数の和:7335

約数の個数: 24

約数和(自身を含む): 548926560

約数和(自身を除く): 287679500

約数列:

[1, 2, 4, 5, 10, 20, 3067, 4259, 6134, 8518, 12268, 15335, 17036, 21295, 30670, 42590, 61340, 85180, 13062353, 26124706, 52249412, 65311765, 130623530, 261247060]

約数ペア:

[(1, 261247060), (2, 130623530), (4, 65311765), (5, 52249412), (10, 26124706), (20, 13062353), (3067, 85180), (4259, 61340), (6134, 42590), (8518, 30670), (12268, 21295), (15335, 17036)]