122983160

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{15607}}^1$

素因数の和:15815

約数の個数: 32

約数和(自身を含む): 278134560

約数和(自身を除く): 155151400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 15607, 31214, 62428, 78035, 124856, 156070, 312140, 624280, 3074579, 6149158, 12298316, 15372895, 24596632, 30745790, 61491580, 122983160]

約数ペア:

[(1, 122983160), (2, 61491580), (4, 30745790), (5, 24596632), (8, 15372895), (10, 12298316), (20, 6149158), (40, 3074579), (197, 624280), (394, 312140), (788, 156070), (985, 124856), (1576, 78035), (1970, 62428), (3940, 31214), (7880, 15607)]