201821240

素因数分解:

$2^3\times 5^1\times {\mathrm{5045531}}^1$

素因数の和:5045542

約数の個数: 16

約数和(自身を含む): 454097880

約数和(自身を除く): 252276640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5045531, 10091062, 20182124, 25227655, 40364248, 50455310, 100910620, 201821240]

約数ペア:

[(1, 201821240), (2, 100910620), (4, 50455310), (5, 40364248), (8, 25227655), (10, 20182124), (20, 10091062), (40, 5045531)]