2168240

素因数分解:

$2^4\times 5^1\times {\mathrm{27103}}^1$

素因数の和:27116

約数の個数: 20

約数和(自身を含む): 5041344

約数和(自身を除く): 2873104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 27103, 54206, 108412, 135515, 216824, 271030, 433648, 542060, 1084120, 2168240]

約数ペア:

[(1, 2168240), (2, 1084120), (4, 542060), (5, 433648), (8, 271030), (10, 216824), (16, 135515), (20, 108412), (40, 54206), (80, 27103)]