66520580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{475147}}^1$

素因数の和:475163

約数の個数: 24

約数和(自身を含む): 159649728

約数和(自身を除く): 93129148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 475147, 950294, 1900588, 2375735, 3326029, 4751470, 6652058, 9502940, 13304116, 16630145, 33260290, 66520580]

約数ペア:

[(1, 66520580), (2, 33260290), (4, 16630145), (5, 13304116), (7, 9502940), (10, 6652058), (14, 4751470), (20, 3326029), (28, 2375735), (35, 1900588), (70, 950294), (140, 475147)]