84865240

素因数分解:

$2^3\times 5^1\times {\mathrm{2121631}}^1$

素因数の和:2121642

約数の個数: 16

約数和(自身を含む): 190946880

約数和(自身を除く): 106081640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2121631, 4243262, 8486524, 10608155, 16973048, 21216310, 42432620, 84865240]

約数ペア:

[(1, 84865240), (2, 42432620), (4, 21216310), (5, 16973048), (8, 10608155), (10, 8486524), (20, 4243262), (40, 2121631)]