156908695480

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{19912271}}^1$

素因数の和:19912479

約数の個数: 32

約数和(自身を含む): 354836687040

約数和(自身を除く): 197927991560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 19912271, 39824542, 79649084, 99561355, 159298168, 199122710, 398245420, 796490840, 3922717387, 7845434774, 15690869548, 19613586935, 31381739096, 39227173870, 78454347740, 156908695480]

約数ペア:

[(1, 156908695480), (2, 78454347740), (4, 39227173870), (5, 31381739096), (8, 19613586935), (10, 15690869548), (20, 7845434774), (40, 3922717387), (197, 796490840), (394, 398245420), (788, 199122710), (985, 159298168), (1576, 99561355), (1970, 79649084), (3940, 39824542), (7880, 19912271)]