66681380

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{5839}}^1$

素因数の和:6419

約数の個数: 24

約数和(自身を含む): 140300160

約数和(自身を除く): 73618780

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5710, 5839, 11420, 11678, 23356, 29195, 58390, 116780, 3334069, 6668138, 13336276, 16670345, 33340690, 66681380]

約数ペア:

[(1, 66681380), (2, 33340690), (4, 16670345), (5, 13336276), (10, 6668138), (20, 3334069), (571, 116780), (1142, 58390), (2284, 29195), (2855, 23356), (5710, 11678), (5839, 11420)]