22640720

素因数分解:

$2^4\times 5^1\times {\mathrm{283009}}^1$

素因数の和:283022

約数の個数: 20

約数和(自身を含む): 52639860

約数和(自身を除く): 29999140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 283009, 566018, 1132036, 1415045, 2264072, 2830090, 4528144, 5660180, 11320360, 22640720]

約数ペア:

[(1, 22640720), (2, 11320360), (4, 5660180), (5, 4528144), (8, 2830090), (10, 2264072), (16, 1415045), (20, 1132036), (40, 566018), (80, 283009)]