2018320

素因数分解:

$2^4\times 5^1\times {\mathrm{25229}}^1$

素因数の和:25242

約数の個数: 20

約数和(自身を含む): 4692780

約数和(自身を除く): 2674460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25229, 50458, 100916, 126145, 201832, 252290, 403664, 504580, 1009160, 2018320]

約数ペア:

[(1, 2018320), (2, 1009160), (4, 504580), (5, 403664), (8, 252290), (10, 201832), (16, 126145), (20, 100916), (40, 50458), (80, 25229)]