23128880

素因数分解:

$2^4\times 5^1\times {\mathrm{289111}}^1$

素因数の和:289124

約数の個数: 20

約数和(自身を含む): 53774832

約数和(自身を除く): 30645952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 289111, 578222, 1156444, 1445555, 2312888, 2891110, 4625776, 5782220, 11564440, 23128880]

約数ペア:

[(1, 23128880), (2, 11564440), (4, 5782220), (5, 4625776), (8, 2891110), (10, 2312888), (16, 1445555), (20, 1156444), (40, 578222), (80, 289111)]