28064080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31891}}^1$

素因数の和:31915

約数の個数: 40

約数和(自身を含む): 71182944

約数和(自身を除く): 43118864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 31891, 63782, 127564, 159455, 255128, 318910, 350801, 510256, 637820, 701602, 1275640, 1403204, 1754005, 2551280, 2806408, 3508010, 5612816, 7016020, 14032040, 28064080]

約数ペア:

[(1, 28064080), (2, 14032040), (4, 7016020), (5, 5612816), (8, 3508010), (10, 2806408), (11, 2551280), (16, 1754005), (20, 1403204), (22, 1275640), (40, 701602), (44, 637820), (55, 510256), (80, 350801), (88, 318910), (110, 255128), (176, 159455), (220, 127564), (440, 63782), (880, 31891)]