66648040

素因数分解:

$2^3\times 5^1\times {\mathrm{1666201}}^1$

素因数の和:1666212

約数の個数: 16

約数和(自身を含む): 149958180

約数和(自身を除く): 83310140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1666201, 3332402, 6664804, 8331005, 13329608, 16662010, 33324020, 66648040]

約数ペア:

[(1, 66648040), (2, 33324020), (4, 16662010), (5, 13329608), (8, 8331005), (10, 6664804), (20, 3332402), (40, 1666201)]