15648980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{26981}}^1$

素因数の和:27019

約数の個数: 24

約数和(自身を含む): 33997320

約数和(自身を除く): 18348340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 26981, 53962, 107924, 134905, 269810, 539620, 782449, 1564898, 3129796, 3912245, 7824490, 15648980]

約数ペア:

[(1, 15648980), (2, 7824490), (4, 3912245), (5, 3129796), (10, 1564898), (20, 782449), (29, 539620), (58, 269810), (116, 134905), (145, 107924), (290, 53962), (580, 26981)]