86388040

素因数分解:

$2^3\times 5^1\times {\mathrm{2159701}}^1$

素因数の和:2159712

約数の個数: 16

約数和(自身を含む): 194373180

約数和(自身を除く): 107985140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2159701, 4319402, 8638804, 10798505, 17277608, 21597010, 43194020, 86388040]

約数ペア:

[(1, 86388040), (2, 43194020), (4, 21597010), (5, 17277608), (8, 10798505), (10, 8638804), (20, 4319402), (40, 2159701)]