1965718180

素因数分解:

$2^2\times 5^1\times {\mathrm{9769}}^1\times {\mathrm{10061}}^1$

素因数の和:19839

約数の個数: 24

約数和(自身を含む): 4128841080

約数和(自身を除く): 2163122900

約数列:

[1, 2, 4, 5, 10, 20, 9769, 10061, 19538, 20122, 39076, 40244, 48845, 50305, 97690, 100610, 195380, 201220, 98285909, 196571818, 393143636, 491429545, 982859090, 1965718180]

約数ペア:

[(1, 1965718180), (2, 982859090), (4, 491429545), (5, 393143636), (10, 196571818), (20, 98285909), (9769, 201220), (10061, 195380), (19538, 100610), (20122, 97690), (39076, 50305), (40244, 48845)]