28663640

素因数分解:

$2^3\times 5^1\times {\mathrm{716591}}^1$

素因数の和:716602

約数の個数: 16

約数和(自身を含む): 64493280

約数和(自身を除く): 35829640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 716591, 1433182, 2866364, 3582955, 5732728, 7165910, 14331820, 28663640]

約数ペア:

[(1, 28663640), (2, 14331820), (4, 7165910), (5, 5732728), (8, 3582955), (10, 2866364), (20, 1433182), (40, 716591)]