388371320

素因数分解:

$2^3\times 5^1\times {\mathrm{9709283}}^1$

素因数の和:9709294

約数の個数: 16

約数和(自身を含む): 873835560

約数和(自身を除く): 485464240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9709283, 19418566, 38837132, 48546415, 77674264, 97092830, 194185660, 388371320]

約数ペア:

[(1, 388371320), (2, 194185660), (4, 97092830), (5, 77674264), (8, 48546415), (10, 38837132), (20, 19418566), (40, 9709283)]