87043640

素因数分解:

$2^3\times 5^1\times {\mathrm{2176091}}^1$

素因数の和:2176102

約数の個数: 16

約数和(自身を含む): 195848280

約数和(自身を除く): 108804640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2176091, 4352182, 8704364, 10880455, 17408728, 21760910, 43521820, 87043640]

約数ペア:

[(1, 87043640), (2, 43521820), (4, 21760910), (5, 17408728), (8, 10880455), (10, 8704364), (20, 4352182), (40, 2176091)]