28054040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{100193}}^1$

素因数の和:100211

約数の個数: 32

約数和(自身を含む): 72139680

約数和(自身を除く): 44085640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 100193, 200386, 400772, 500965, 701351, 801544, 1001930, 1402702, 2003860, 2805404, 3506755, 4007720, 5610808, 7013510, 14027020, 28054040]

約数ペア:

[(1, 28054040), (2, 14027020), (4, 7013510), (5, 5610808), (7, 4007720), (8, 3506755), (10, 2805404), (14, 2003860), (20, 1402702), (28, 1001930), (35, 801544), (40, 701351), (56, 500965), (70, 400772), (140, 200386), (280, 100193)]