2018351240

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{201031}}^1$

素因数の和:201293

約数の個数: 32

約数和(自身を含む): 4559405760

約数和(自身を除く): 2541054520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 10040, 201031, 402062, 804124, 1005155, 1608248, 2010310, 4020620, 8041240, 50458781, 100917562, 201835124, 252293905, 403670248, 504587810, 1009175620, 2018351240]

約数ペア:

[(1, 2018351240), (2, 1009175620), (4, 504587810), (5, 403670248), (8, 252293905), (10, 201835124), (20, 100917562), (40, 50458781), (251, 8041240), (502, 4020620), (1004, 2010310), (1255, 1608248), (2008, 1005155), (2510, 804124), (5020, 402062), (10040, 201031)]