161036797220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1549}}^1\times {\mathrm{399853}}^1$

素因数の和:401424

約数の個数: 48

約数和(自身を含む): 364426935600

約数和(自身を除く): 203390138380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1549, 3098, 6196, 7745, 15490, 20137, 30980, 40274, 80548, 100685, 201370, 399853, 402740, 799706, 1599412, 1999265, 3998530, 5198089, 7997060, 10396178, 20792356, 25990445, 51980890, 103961780, 619372297, 1238744594, 2477489188, 3096861485, 6193722970, 8051839861, 12387445940, 16103679722, 32207359444, 40259199305, 80518398610, 161036797220]

約数ペア:

[(1, 161036797220), (2, 80518398610), (4, 40259199305), (5, 32207359444), (10, 16103679722), (13, 12387445940), (20, 8051839861), (26, 6193722970), (52, 3096861485), (65, 2477489188), (130, 1238744594), (260, 619372297), (1549, 103961780), (3098, 51980890), (6196, 25990445), (7745, 20792356), (15490, 10396178), (20137, 7997060), (30980, 5198089), (40274, 3998530), (80548, 1999265), (100685, 1599412), (201370, 799706), (399853, 402740)]