201290920

素因数分解:

$2^3\times 5^1\times {\mathrm{1579}}^1\times {\mathrm{3187}}^1$

素因数の和:4777

約数の個数: 32

約数和(自身を含む): 453333600

約数和(自身を除く): 252042680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1579, 3158, 3187, 6316, 6374, 7895, 12632, 12748, 15790, 15935, 25496, 31580, 31870, 63160, 63740, 127480, 5032273, 10064546, 20129092, 25161365, 40258184, 50322730, 100645460, 201290920]

約数ペア:

[(1, 201290920), (2, 100645460), (4, 50322730), (5, 40258184), (8, 25161365), (10, 20129092), (20, 10064546), (40, 5032273), (1579, 127480), (3158, 63740), (3187, 63160), (6316, 31870), (6374, 31580), (7895, 25496), (12632, 15935), (12748, 15790)]