168450140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{205427}}^1$

素因数の和:205477

約数の個数: 24

約数和(自身を含む): 362374992

約数和(自身を除く): 193924852

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 205427, 410854, 821708, 1027135, 2054270, 4108540, 8422507, 16845014, 33690028, 42112535, 84225070, 168450140]

約数ペア:

[(1, 168450140), (2, 84225070), (4, 42112535), (5, 33690028), (10, 16845014), (20, 8422507), (41, 4108540), (82, 2054270), (164, 1027135), (205, 821708), (410, 410854), (820, 205427)]