66949580

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{18701}}^1$

素因数の和:18889

約数の個数: 24

約数和(自身を含む): 141387120

約数和(自身を除く): 74437540

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 18701, 37402, 74804, 93505, 187010, 374020, 3347479, 6694958, 13389916, 16737395, 33474790, 66949580]

約数ペア:

[(1, 66949580), (2, 33474790), (4, 16737395), (5, 13389916), (10, 6694958), (20, 3347479), (179, 374020), (358, 187010), (716, 93505), (895, 74804), (1790, 37402), (3580, 18701)]