28679660

素因数分解:

$2^2\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{1367}}^1$

素因数の和:2425

約数の個数: 24

約数和(自身を含む): 60328800

約数和(自身を除く): 31649140

約数列:

[1, 2, 4, 5, 10, 20, 1049, 1367, 2098, 2734, 4196, 5245, 5468, 6835, 10490, 13670, 20980, 27340, 1433983, 2867966, 5735932, 7169915, 14339830, 28679660]

約数ペア:

[(1, 28679660), (2, 14339830), (4, 7169915), (5, 5735932), (10, 2867966), (20, 1433983), (1049, 27340), (1367, 20980), (2098, 13670), (2734, 10490), (4196, 6835), (5245, 5468)]