326240367020

素因数分解:

$2^2\times 5^1\times {\mathrm{2039}}^1\times {\mathrm{8000009}}^1$

素因数の和:8002057

約数の個数: 24

約数和(自身を含む): 685440856800

約数和(自身を除く): 359200489780

約数列:

[1, 2, 4, 5, 10, 20, 2039, 4078, 8156, 10195, 20390, 40780, 8000009, 16000018, 32000036, 40000045, 80000090, 160000180, 16312018351, 32624036702, 65248073404, 81560091755, 163120183510, 326240367020]

約数ペア:

[(1, 326240367020), (2, 163120183510), (4, 81560091755), (5, 65248073404), (10, 32624036702), (20, 16312018351), (2039, 160000180), (4078, 80000090), (8156, 40000045), (10195, 32000036), (20390, 16000018), (40780, 8000009)]