80774080

素因数分解:

$2^6\times 5^1\times {\mathrm{252419}}^1$

素因数の和:252436

約数の個数: 28

約数和(自身を含む): 192344040

約数和(自身を除く): 111569960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 252419, 504838, 1009676, 1262095, 2019352, 2524190, 4038704, 5048380, 8077408, 10096760, 16154816, 20193520, 40387040, 80774080]

約数ペア:

[(1, 80774080), (2, 40387040), (4, 20193520), (5, 16154816), (8, 10096760), (10, 8077408), (16, 5048380), (20, 4038704), (32, 2524190), (40, 2019352), (64, 1262095), (80, 1009676), (160, 504838), (320, 252419)]