85663640

素因数分解:

$2^3\times 5^1\times {\mathrm{2141591}}^1$

素因数の和:2141602

約数の個数: 16

約数和(自身を含む): 192743280

約数和(自身を除く): 107079640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2141591, 4283182, 8566364, 10707955, 17132728, 21415910, 42831820, 85663640]

約数ペア:

[(1, 85663640), (2, 42831820), (4, 21415910), (5, 17132728), (8, 10707955), (10, 8566364), (20, 4283182), (40, 2141591)]