28501040

素因数分解:

$2^4\times 5^1\times {\mathrm{356263}}^1$

素因数の和:356276

約数の個数: 20

約数和(自身を含む): 66265104

約数和(自身を除く): 37764064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 356263, 712526, 1425052, 1781315, 2850104, 3562630, 5700208, 7125260, 14250520, 28501040]

約数ペア:

[(1, 28501040), (2, 14250520), (4, 7125260), (5, 5700208), (8, 3562630), (10, 2850104), (16, 1781315), (20, 1425052), (40, 712526), (80, 356263)]