123894080

素因数分解:

$2^6\times 5^1\times {\mathrm{387169}}^1$

素因数の和:387186

約数の個数: 28

約数和(自身を含む): 295023540

約数和(自身を除く): 171129460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 387169, 774338, 1548676, 1935845, 3097352, 3871690, 6194704, 7743380, 12389408, 15486760, 24778816, 30973520, 61947040, 123894080]

約数ペア:

[(1, 123894080), (2, 61947040), (4, 30973520), (5, 24778816), (8, 15486760), (10, 12389408), (16, 7743380), (20, 6194704), (32, 3871690), (40, 3097352), (64, 1935845), (80, 1548676), (160, 774338), (320, 387169)]