131427260

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{65063}}^1$

素因数の和:65173

約数の個数: 24

約数和(自身を含む): 278734176

約数和(自身を除く): 147306916

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 65063, 130126, 260252, 325315, 650630, 1301260, 6571363, 13142726, 26285452, 32856815, 65713630, 131427260]

約数ペア:

[(1, 131427260), (2, 65713630), (4, 32856815), (5, 26285452), (10, 13142726), (20, 6571363), (101, 1301260), (202, 650630), (404, 325315), (505, 260252), (1010, 130126), (2020, 65063)]