40541240

素因数分解:

$2^3\times 5^1\times {\mathrm{1013531}}^1$

素因数の和:1013542

約数の個数: 16

約数和(自身を含む): 91217880

約数和(自身を除く): 50676640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1013531, 2027062, 4054124, 5067655, 8108248, 10135310, 20270620, 40541240]

約数ペア:

[(1, 40541240), (2, 20270620), (4, 10135310), (5, 8108248), (8, 5067655), (10, 4054124), (20, 2027062), (40, 1013531)]