66606640

素因数分解:

$2^4\times 5^1\times {\mathrm{832583}}^1$

素因数の和:832596

約数の個数: 20

約数和(自身を含む): 154860624

約数和(自身を除く): 88253984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 832583, 1665166, 3330332, 4162915, 6660664, 8325830, 13321328, 16651660, 33303320, 66606640]

約数ペア:

[(1, 66606640), (2, 33303320), (4, 16651660), (5, 13321328), (8, 8325830), (10, 6660664), (16, 4162915), (20, 3330332), (40, 1665166), (80, 832583)]