28443620

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{14081}}^1$

素因数の和:14191

約数の個数: 24

約数和(自身を含む): 60327288

約数和(自身を除く): 31883668

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 14081, 28162, 56324, 70405, 140810, 281620, 1422181, 2844362, 5688724, 7110905, 14221810, 28443620]

約数ペア:

[(1, 28443620), (2, 14221810), (4, 7110905), (5, 5688724), (10, 2844362), (20, 1422181), (101, 281620), (202, 140810), (404, 70405), (505, 56324), (1010, 28162), (2020, 14081)]