79250020

素因数分解:

$2^2\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{3881}}^1$

素因数の和:4911

約数の個数: 24

約数和(自身を含む): 166630968

約数和(自身を除く): 87380948

約数列:

[1, 2, 4, 5, 10, 20, 1021, 2042, 3881, 4084, 5105, 7762, 10210, 15524, 19405, 20420, 38810, 77620, 3962501, 7925002, 15850004, 19812505, 39625010, 79250020]

約数ペア:

[(1, 79250020), (2, 39625010), (4, 19812505), (5, 15850004), (10, 7925002), (20, 3962501), (1021, 77620), (2042, 38810), (3881, 20420), (4084, 19405), (5105, 15524), (7762, 10210)]