15663983380

素因数分解:

$2^2\times 5^1\times {\mathrm{5381}}^1\times {\mathrm{145549}}^1$

素因数の和:150939

約数の個数: 24

約数和(自身を含む): 32900704200

約数和(自身を除く): 17236720820

約数列:

[1, 2, 4, 5, 10, 20, 5381, 10762, 21524, 26905, 53810, 107620, 145549, 291098, 582196, 727745, 1455490, 2910980, 783199169, 1566398338, 3132796676, 3915995845, 7831991690, 15663983380]

約数ペア:

[(1, 15663983380), (2, 7831991690), (4, 3915995845), (5, 3132796676), (10, 1566398338), (20, 783199169), (5381, 2910980), (10762, 1455490), (21524, 727745), (26905, 582196), (53810, 291098), (107620, 145549)]