129635960

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{21751}}^1$

素因数の和:21911

約数の個数: 32

約数和(自身を含む): 293652000

約数和(自身を除く): 164016040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 21751, 43502, 87004, 108755, 174008, 217510, 435020, 870040, 3240899, 6481798, 12963596, 16204495, 25927192, 32408990, 64817980, 129635960]

約数ペア:

[(1, 129635960), (2, 64817980), (4, 32408990), (5, 25927192), (8, 16204495), (10, 12963596), (20, 6481798), (40, 3240899), (149, 870040), (298, 435020), (596, 217510), (745, 174008), (1192, 108755), (1490, 87004), (2980, 43502), (5960, 21751)]