123931120

素因数分解:

$2^4\times 5^1\times {\mathrm{1549139}}^1$

素因数の和:1549152

約数の個数: 20

約数和(自身を含む): 288140040

約数和(自身を除く): 164208920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1549139, 3098278, 6196556, 7745695, 12393112, 15491390, 24786224, 30982780, 61965560, 123931120]

約数ペア:

[(1, 123931120), (2, 61965560), (4, 30982780), (5, 24786224), (8, 15491390), (10, 12393112), (16, 7745695), (20, 6196556), (40, 3098278), (80, 1549139)]