64724080

素因数分解:

$2^4\times 5^1\times {\mathrm{809051}}^1$

素因数の和:809064

約数の個数: 20

約数和(自身を含む): 150483672

約数和(自身を除く): 85759592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 809051, 1618102, 3236204, 4045255, 6472408, 8090510, 12944816, 16181020, 32362040, 64724080]

約数ペア:

[(1, 64724080), (2, 32362040), (4, 16181020), (5, 12944816), (8, 8090510), (10, 6472408), (16, 4045255), (20, 3236204), (40, 1618102), (80, 809051)]