66871780

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{56671}}^1$

素因数の和:56739

約数の個数: 24

約数和(自身を含む): 142813440

約数和(自身を除く): 75941660

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 56671, 113342, 226684, 283355, 566710, 1133420, 3343589, 6687178, 13374356, 16717945, 33435890, 66871780]

約数ペア:

[(1, 66871780), (2, 33435890), (4, 16717945), (5, 13374356), (10, 6687178), (20, 3343589), (59, 1133420), (118, 566710), (236, 283355), (295, 226684), (590, 113342), (1180, 56671)]