38990580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{649843}}^1$

素因数の和:649855

約数の個数: 24

約数和(自身を含む): 109173792

約数和(自身を除く): 70183212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 649843, 1299686, 1949529, 2599372, 3249215, 3899058, 6498430, 7798116, 9747645, 12996860, 19495290, 38990580]

約数ペア:

[(1, 38990580), (2, 19495290), (3, 12996860), (4, 9747645), (5, 7798116), (6, 6498430), (10, 3899058), (12, 3249215), (15, 2599372), (20, 1949529), (30, 1299686), (60, 649843)]