25002760

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2803}}^1$

素因数の和:3037

約数の個数: 32

約数和(自身を含む): 56528640

約数和(自身を除く): 31525880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 2803, 4460, 5606, 8920, 11212, 14015, 22424, 28030, 56060, 112120, 625069, 1250138, 2500276, 3125345, 5000552, 6250690, 12501380, 25002760]

約数ペア:

[(1, 25002760), (2, 12501380), (4, 6250690), (5, 5000552), (8, 3125345), (10, 2500276), (20, 1250138), (40, 625069), (223, 112120), (446, 56060), (892, 28030), (1115, 22424), (1784, 14015), (2230, 11212), (2803, 8920), (4460, 5606)]