25171460

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4021}}^1$

素因数の和:4343

約数の個数: 24

約数和(自身を含む): 53042136

約数和(自身を除く): 27870676

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 4021, 6260, 8042, 16084, 20105, 40210, 80420, 1258573, 2517146, 5034292, 6292865, 12585730, 25171460]

約数ペア:

[(1, 25171460), (2, 12585730), (4, 6292865), (5, 5034292), (10, 2517146), (20, 1258573), (313, 80420), (626, 40210), (1252, 20105), (1565, 16084), (3130, 8042), (4021, 6260)]