159200420

素因数分解:

$2^2\times 5^1\times {\mathrm{7960021}}^1$

素因数の和:7960030

約数の個数: 12

約数和(自身を含む): 334320924

約数和(自身を除く): 175120504

約数列:

[1, 2, 4, 5, 10, 20, 7960021, 15920042, 31840084, 39800105, 79600210, 159200420]

約数ペア:

[(1, 159200420), (2, 79600210), (4, 39800105), (5, 31840084), (10, 15920042), (20, 7960021)]