86908040

素因数分解:

$2^3\times 5^1\times {\mathrm{2172701}}^1$

素因数の和:2172712

約数の個数: 16

約数和(自身を含む): 195543180

約数和(自身を除く): 108635140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2172701, 4345402, 8690804, 10863505, 17381608, 21727010, 43454020, 86908040]

約数ペア:

[(1, 86908040), (2, 43454020), (4, 21727010), (5, 17381608), (8, 10863505), (10, 8690804), (20, 4345402), (40, 2172701)]