84342680

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{15391}}^1$

素因数の和:15539

約数の個数: 32

約数和(自身を含む): 191168640

約数和(自身を除く): 106825960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 15391, 30782, 61564, 76955, 123128, 153910, 307820, 615640, 2108567, 4217134, 8434268, 10542835, 16868536, 21085670, 42171340, 84342680]

約数ペア:

[(1, 84342680), (2, 42171340), (4, 21085670), (5, 16868536), (8, 10542835), (10, 8434268), (20, 4217134), (40, 2108567), (137, 615640), (274, 307820), (548, 153910), (685, 123128), (1096, 76955), (1370, 61564), (2740, 30782), (5480, 15391)]