31122160

素因数分解:

$2^4\times 5^1\times {\mathrm{389027}}^1$

素因数の和:389040

約数の個数: 20

約数和(自身を含む): 72359208

約数和(自身を除く): 41237048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389027, 778054, 1556108, 1945135, 3112216, 3890270, 6224432, 7780540, 15561080, 31122160]

約数ペア:

[(1, 31122160), (2, 15561080), (4, 7780540), (5, 6224432), (8, 3890270), (10, 3112216), (16, 1945135), (20, 1556108), (40, 778054), (80, 389027)]