87245240

素因数分解:

$2^3\times 5^1\times {\mathrm{2181131}}^1$

素因数の和:2181142

約数の個数: 16

約数和(自身を含む): 196301880

約数和(自身を除く): 109056640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2181131, 4362262, 8724524, 10905655, 17449048, 21811310, 43622620, 87245240]

約数ペア:

[(1, 87245240), (2, 43622620), (4, 21811310), (5, 17449048), (8, 10905655), (10, 8724524), (20, 4362262), (40, 2181131)]