157998160

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15551}}^1$

素因数の和:15691

約数の個数: 40

約数和(自身を含む): 370262016

約数和(自身を除く): 212263856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 15551, 31102, 62204, 77755, 124408, 155510, 248816, 311020, 622040, 1244080, 1974977, 3949954, 7899908, 9874885, 15799816, 19749770, 31599632, 39499540, 78999080, 157998160]

約数ペア:

[(1, 157998160), (2, 78999080), (4, 39499540), (5, 31599632), (8, 19749770), (10, 15799816), (16, 9874885), (20, 7899908), (40, 3949954), (80, 1974977), (127, 1244080), (254, 622040), (508, 311020), (635, 248816), (1016, 155510), (1270, 124408), (2032, 77755), (2540, 62204), (5080, 31102), (10160, 15551)]