65468740

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{39439}}^1$

素因数の和:39531

約数の個数: 24

約数和(自身を含む): 139144320

約数和(自身を除く): 73675580

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 39439, 78878, 157756, 197195, 394390, 788780, 3273437, 6546874, 13093748, 16367185, 32734370, 65468740]

約数ペア:

[(1, 65468740), (2, 32734370), (4, 16367185), (5, 13093748), (10, 6546874), (20, 3273437), (83, 788780), (166, 394390), (332, 197195), (415, 157756), (830, 78878), (1660, 39439)]