38812940

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{9851}}^1$

素因数の和:10057

約数の個数: 24

約数和(自身を含む): 81929232

約数和(自身を除く): 43116292

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 9851, 19702, 39404, 49255, 98510, 197020, 1940647, 3881294, 7762588, 9703235, 19406470, 38812940]

約数ペア:

[(1, 38812940), (2, 19406470), (4, 9703235), (5, 7762588), (10, 3881294), (20, 1940647), (197, 197020), (394, 98510), (788, 49255), (985, 39404), (1970, 19702), (3940, 9851)]