103128880

素因数分解:

$2^4\times 5^1\times {\mathrm{1289111}}^1$

素因数の和:1289124

約数の個数: 20

約数和(自身を含む): 239774832

約数和(自身を除く): 136645952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1289111, 2578222, 5156444, 6445555, 10312888, 12891110, 20625776, 25782220, 51564440, 103128880]

約数ペア:

[(1, 103128880), (2, 51564440), (4, 25782220), (5, 20625776), (8, 12891110), (10, 10312888), (16, 6445555), (20, 5156444), (40, 2578222), (80, 1289111)]