42661240

素因数分解:

$2^3\times 5^1\times {\mathrm{1066531}}^1$

素因数の和:1066542

約数の個数: 16

約数和(自身を含む): 95987880

約数和(自身を除く): 53326640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1066531, 2133062, 4266124, 5332655, 8532248, 10665310, 21330620, 42661240]

約数ペア:

[(1, 42661240), (2, 21330620), (4, 10665310), (5, 8532248), (8, 5332655), (10, 4266124), (20, 2133062), (40, 1066531)]