28851740

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{6469}}^1$

素因数の和:6701

約数の個数: 24

約数和(自身を含む): 60869760

約数和(自身を除く): 32018020

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 6469, 12938, 25876, 32345, 64690, 129380, 1442587, 2885174, 5770348, 7212935, 14425870, 28851740]

約数ペア:

[(1, 28851740), (2, 14425870), (4, 7212935), (5, 5770348), (10, 2885174), (20, 1442587), (223, 129380), (446, 64690), (892, 32345), (1115, 25876), (2230, 12938), (4460, 6469)]