28847620

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{14281}}^1$

素因数の和:14391

約数の個数: 24

約数和(自身を含む): 61184088

約数和(自身を除く): 32336468

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 14281, 28562, 57124, 71405, 142810, 285620, 1442381, 2884762, 5769524, 7211905, 14423810, 28847620]

約数ペア:

[(1, 28847620), (2, 14423810), (4, 7211905), (5, 5769524), (10, 2884762), (20, 1442381), (101, 285620), (202, 142810), (404, 71405), (505, 57124), (1010, 28562), (2020, 14281)]