25563716180

素因数分解:

$2^2\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{1040021}}^1$

素因数の和:1041259

約数の個数: 24

約数和(自身を含む): 53727536520

約数和(自身を除く): 28163820340

約数列:

[1, 2, 4, 5, 10, 20, 1229, 2458, 4916, 6145, 12290, 24580, 1040021, 2080042, 4160084, 5200105, 10400210, 20800420, 1278185809, 2556371618, 5112743236, 6390929045, 12781858090, 25563716180]

約数ペア:

[(1, 25563716180), (2, 12781858090), (4, 6390929045), (5, 5112743236), (10, 2556371618), (20, 1278185809), (1229, 20800420), (2458, 10400210), (4916, 5200105), (6145, 4160084), (12290, 2080042), (24580, 1040021)]