77439020

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{6781}}^1$

素因数の和:7361

約数の個数: 24

約数和(自身を含む): 162930768

約数和(自身を除く): 85491748

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5710, 6781, 11420, 13562, 27124, 33905, 67810, 135620, 3871951, 7743902, 15487804, 19359755, 38719510, 77439020]

約数ペア:

[(1, 77439020), (2, 38719510), (4, 19359755), (5, 15487804), (10, 7743902), (20, 3871951), (571, 135620), (1142, 67810), (2284, 33905), (2855, 27124), (5710, 13562), (6781, 11420)]