28050200

素因数分解:

$2^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1009}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 65751000

約数和(自身を除く): 37700800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 139, 200, 278, 556, 695, 1009, 1112, 1390, 2018, 2780, 3475, 4036, 5045, 5560, 6950, 8072, 10090, 13900, 20180, 25225, 27800, 40360, 50450, 100900, 140251, 201800, 280502, 561004, 701255, 1122008, 1402510, 2805020, 3506275, 5610040, 7012550, 14025100, 28050200]

約数ペア:

[(1, 28050200), (2, 14025100), (4, 7012550), (5, 5610040), (8, 3506275), (10, 2805020), (20, 1402510), (25, 1122008), (40, 701255), (50, 561004), (100, 280502), (139, 201800), (200, 140251), (278, 100900), (556, 50450), (695, 40360), (1009, 27800), (1112, 25225), (1390, 20180), (2018, 13900), (2780, 10090), (3475, 8072), (4036, 6950), (5045, 5560)]