40003100

素因数分解:

$2^2\times 5^2\times {\mathrm{400031}}^1$

素因数の和:400045

約数の個数: 18

約数和(自身を含む): 86806944

約数和(自身を除く): 46803844

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 400031, 800062, 1600124, 2000155, 4000310, 8000620, 10000775, 20001550, 40003100]

約数ペア:

[(1, 40003100), (2, 20001550), (4, 10000775), (5, 8000620), (10, 4000310), (20, 2000155), (25, 1600124), (50, 800062), (100, 400031)]