78999080

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15551}}^1$

素因数の和:15689

約数の個数: 32

約数和(自身を含む): 179159040

約数和(自身を除く): 100159960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 15551, 31102, 62204, 77755, 124408, 155510, 311020, 622040, 1974977, 3949954, 7899908, 9874885, 15799816, 19749770, 39499540, 78999080]

約数ペア:

[(1, 78999080), (2, 39499540), (4, 19749770), (5, 15799816), (8, 9874885), (10, 7899908), (20, 3949954), (40, 1974977), (127, 622040), (254, 311020), (508, 155510), (635, 124408), (1016, 77755), (1270, 62204), (2540, 31102), (5080, 15551)]