38712890

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{27851}}^1$

素因数の和:27997

約数の個数: 16

約数和(自身を含む): 70187040

約数和(自身を除く): 31474150

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 27851, 55702, 139255, 278510, 3871289, 7742578, 19356445, 38712890]

約数ペア:

[(1, 38712890), (2, 19356445), (5, 7742578), (10, 3871289), (139, 278510), (278, 139255), (695, 55702), (1390, 27851)]