80649280

素因数分解:

$2^6\times 5^1\times {\mathrm{252029}}^1$

素因数の和:252046

約数の個数: 28

約数和(自身を含む): 192046860

約数和(自身を除く): 111397580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 252029, 504058, 1008116, 1260145, 2016232, 2520290, 4032464, 5040580, 8064928, 10081160, 16129856, 20162320, 40324640, 80649280]

約数ペア:

[(1, 80649280), (2, 40324640), (4, 20162320), (5, 16129856), (8, 10081160), (10, 8064928), (16, 5040580), (20, 4032464), (32, 2520290), (40, 2016232), (64, 1260145), (80, 1008116), (160, 504058), (320, 252029)]