156713042960

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{9943721}}^1$

素因数の和:9943931

約数の個数: 40

約数和(自身を含む): 366207393816

約数和(自身を除く): 209494350856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 7880, 15760, 9943721, 19887442, 39774884, 49718605, 79549768, 99437210, 159099536, 198874420, 397748840, 795497680, 1958913037, 3917826074, 7835652148, 9794565185, 15671304296, 19589130370, 31342608592, 39178260740, 78356521480, 156713042960]

約数ペア:

[(1, 156713042960), (2, 78356521480), (4, 39178260740), (5, 31342608592), (8, 19589130370), (10, 15671304296), (16, 9794565185), (20, 7835652148), (40, 3917826074), (80, 1958913037), (197, 795497680), (394, 397748840), (788, 198874420), (985, 159099536), (1576, 99437210), (1970, 79549768), (3152, 49718605), (3940, 39774884), (7880, 19887442), (15760, 9943721)]