78827120

素因数分解:

$2^4\times 5^1\times {\mathrm{985339}}^1$

素因数の和:985352

約数の個数: 20

約数和(自身を含む): 183273240

約数和(自身を除く): 104446120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 985339, 1970678, 3941356, 4926695, 7882712, 9853390, 15765424, 19706780, 39413560, 78827120]

約数ペア:

[(1, 78827120), (2, 39413560), (4, 19706780), (5, 15765424), (8, 9853390), (10, 7882712), (16, 4926695), (20, 3941356), (40, 1970678), (80, 985339)]