1131440

素因数分解:

$2^4\times 5^1\times {\mathrm{14143}}^1$

素因数の和:14156

約数の個数: 20

約数和(自身を含む): 2630784

約数和(自身を除く): 1499344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 14143, 28286, 56572, 70715, 113144, 141430, 226288, 282860, 565720, 1131440]

約数ペア:

[(1, 1131440), (2, 565720), (4, 282860), (5, 226288), (8, 141430), (10, 113144), (16, 70715), (20, 56572), (40, 28286), (80, 14143)]