72040340

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{20123}}^1$

素因数の和:20311

約数の個数: 24

約数和(自身を含む): 152137440

約数和(自身を除く): 80097100

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 20123, 40246, 80492, 100615, 201230, 402460, 3602017, 7204034, 14408068, 18010085, 36020170, 72040340]

約数ペア:

[(1, 72040340), (2, 36020170), (4, 18010085), (5, 14408068), (10, 7204034), (20, 3602017), (179, 402460), (358, 201230), (716, 100615), (895, 80492), (1790, 40246), (3580, 20123)]