220054895

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{17971}}^1$

素因数の和:18086

約数の個数: 16

約数和(自身を含む): 276049920

約数和(自身を除く): 55995025

約数列:

[1, 5, 31, 79, 155, 395, 2449, 12245, 17971, 89855, 557101, 1419709, 2785505, 7098545, 44010979, 220054895]

約数ペア:

[(1, 220054895), (5, 44010979), (31, 7098545), (79, 2785505), (155, 1419709), (395, 557101), (2449, 89855), (12245, 17971)]