221094080

素因数分解:

$2^6\times 5^1\times {\mathrm{690919}}^1$

素因数の和:690936

約数の個数: 28

約数和(自身を含む): 526481040

約数和(自身を除く): 305386960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 690919, 1381838, 2763676, 3454595, 5527352, 6909190, 11054704, 13818380, 22109408, 27636760, 44218816, 55273520, 110547040, 221094080]

約数ペア:

[(1, 221094080), (2, 110547040), (4, 55273520), (5, 44218816), (8, 27636760), (10, 22109408), (16, 13818380), (20, 11054704), (32, 6909190), (40, 5527352), (64, 3454595), (80, 2763676), (160, 1381838), (320, 690919)]