124921520

素因数分解:

$2^4\times 5^1\times {\mathrm{1561519}}^1$

素因数の和:1561532

約数の個数: 20

約数和(自身を含む): 290442720

約数和(自身を除く): 165521200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1561519, 3123038, 6246076, 7807595, 12492152, 15615190, 24984304, 31230380, 62460760, 124921520]

約数ペア:

[(1, 124921520), (2, 62460760), (4, 31230380), (5, 24984304), (8, 15615190), (10, 12492152), (16, 7807595), (20, 6246076), (40, 3123038), (80, 1561519)]