28105730

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{38501}}^1$

素因数の和:38581

約数の個数: 16

約数和(自身を含む): 51284664

約数和(自身を除く): 23178934

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 38501, 77002, 192505, 385010, 2810573, 5621146, 14052865, 28105730]

約数ペア:

[(1, 28105730), (2, 14052865), (5, 5621146), (10, 2810573), (73, 385010), (146, 192505), (365, 77002), (730, 38501)]