28127860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{82729}}^1$

素因数の和:82755

約数の個数: 24

約数和(自身を含む): 62543880

約数和(自身を除く): 34416020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 82729, 165458, 330916, 413645, 827290, 1406393, 1654580, 2812786, 5625572, 7031965, 14063930, 28127860]

約数ペア:

[(1, 28127860), (2, 14063930), (4, 7031965), (5, 5625572), (10, 2812786), (17, 1654580), (20, 1406393), (34, 827290), (68, 413645), (85, 330916), (170, 165458), (340, 82729)]