5431780

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2689}}^1$

素因数の和:2799

約数の個数: 24

約数和(自身を含む): 11523960

約数和(自身を除く): 6092180

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 2689, 5378, 10756, 13445, 26890, 53780, 271589, 543178, 1086356, 1357945, 2715890, 5431780]

約数ペア:

[(1, 5431780), (2, 2715890), (4, 1357945), (5, 1086356), (10, 543178), (20, 271589), (101, 53780), (202, 26890), (404, 13445), (505, 10756), (1010, 5378), (2020, 2689)]