66239120

素因数分解:

$2^4\times 5^1\times {\mathrm{827989}}^1$

素因数の和:828002

約数の個数: 20

約数和(自身を含む): 154006140

約数和(自身を除く): 87767020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 827989, 1655978, 3311956, 4139945, 6623912, 8279890, 13247824, 16559780, 33119560, 66239120]

約数ペア:

[(1, 66239120), (2, 33119560), (4, 16559780), (5, 13247824), (8, 8279890), (10, 6623912), (16, 4139945), (20, 3311956), (40, 1655978), (80, 827989)]