87834640

素因数分解:

$2^4\times 5^1\times {\mathrm{1097933}}^1$

素因数の和:1097946

約数の個数: 20

約数和(自身を含む): 204215724

約数和(自身を除く): 116381084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1097933, 2195866, 4391732, 5489665, 8783464, 10979330, 17566928, 21958660, 43917320, 87834640]

約数ペア:

[(1, 87834640), (2, 43917320), (4, 21958660), (5, 17566928), (8, 10979330), (10, 8783464), (16, 5489665), (20, 4391732), (40, 2195866), (80, 1097933)]