7980290

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{4409}}^1$

素因数の和:4597

約数の個数: 16

約数和(自身を含む): 14447160

約数和(自身を除く): 6466870

約数列:

[1, 2, 5, 10, 181, 362, 905, 1810, 4409, 8818, 22045, 44090, 798029, 1596058, 3990145, 7980290]

約数ペア:

[(1, 7980290), (2, 3990145), (5, 1596058), (10, 798029), (181, 44090), (362, 22045), (905, 8818), (1810, 4409)]