28384540

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{5237}}^1$

素因数の和:5517

約数の個数: 24

約数和(自身を含む): 59838912

約数和(自身を除く): 31454372

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5237, 5420, 10474, 20948, 26185, 52370, 104740, 1419227, 2838454, 5676908, 7096135, 14192270, 28384540]

約数ペア:

[(1, 28384540), (2, 14192270), (4, 7096135), (5, 5676908), (10, 2838454), (20, 1419227), (271, 104740), (542, 52370), (1084, 26185), (1355, 20948), (2710, 10474), (5237, 5420)]