64492240

素因数分解:

$2^4\times 5^1\times {\mathrm{806153}}^1$

素因数の和:806166

約数の個数: 20

約数和(自身を含む): 149944644

約数和(自身を除く): 85452404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 806153, 1612306, 3224612, 4030765, 6449224, 8061530, 12898448, 16123060, 32246120, 64492240]

約数ペア:

[(1, 64492240), (2, 32246120), (4, 16123060), (5, 12898448), (8, 8061530), (10, 6449224), (16, 4030765), (20, 3224612), (40, 1612306), (80, 806153)]