28737850

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{5273}}^1$

素因数の和:5394

約数の個数: 24

約数和(自身を含む): 53953020

約数和(自身を除く): 25215170

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 545, 1090, 2725, 5273, 5450, 10546, 26365, 52730, 131825, 263650, 574757, 1149514, 2873785, 5747570, 14368925, 28737850]

約数ペア:

[(1, 28737850), (2, 14368925), (5, 5747570), (10, 2873785), (25, 1149514), (50, 574757), (109, 263650), (218, 131825), (545, 52730), (1090, 26365), (2725, 10546), (5273, 5450)]