2574580

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1181}}^1$

素因数の和:1299

約数の個数: 24

約数和(自身を含む): 5460840

約数和(自身を除く): 2886260

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 1181, 2180, 2362, 4724, 5905, 11810, 23620, 128729, 257458, 514916, 643645, 1287290, 2574580]

約数ペア:

[(1, 2574580), (2, 1287290), (4, 643645), (5, 514916), (10, 257458), (20, 128729), (109, 23620), (218, 11810), (436, 5905), (545, 4724), (1090, 2362), (1181, 2180)]