28743140

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2927}}^1$

素因数の和:3427

約数の個数: 24

約数和(自身を含む): 60504192

約数和(自身を除く): 31761052

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 2927, 4910, 5854, 9820, 11708, 14635, 29270, 58540, 1437157, 2874314, 5748628, 7185785, 14371570, 28743140]

約数ペア:

[(1, 28743140), (2, 14371570), (4, 7185785), (5, 5748628), (10, 2874314), (20, 1437157), (491, 58540), (982, 29270), (1964, 14635), (2455, 11708), (2927, 9820), (4910, 5854)]