85407440

素因数分解:

$2^4\times 5^1\times {\mathrm{1067593}}^1$

素因数の和:1067606

約数の個数: 20

約数和(自身を含む): 198572484

約数和(自身を除く): 113165044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1067593, 2135186, 4270372, 5337965, 8540744, 10675930, 17081488, 21351860, 42703720, 85407440]

約数ペア:

[(1, 85407440), (2, 42703720), (4, 21351860), (5, 17081488), (8, 10675930), (10, 8540744), (16, 5337965), (20, 4270372), (40, 2135186), (80, 1067593)]