86812840

素因数分解:

$2^3\times 5^1\times {\mathrm{2170321}}^1$

素因数の和:2170332

約数の個数: 16

約数和(自身を含む): 195328980

約数和(自身を除く): 108516140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2170321, 4340642, 8681284, 10851605, 17362568, 21703210, 43406420, 86812840]

約数ペア:

[(1, 86812840), (2, 43406420), (4, 21703210), (5, 17362568), (8, 10851605), (10, 8681284), (20, 4340642), (40, 2170321)]