80964760

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{18917}}^1$

素因数の和:19035

約数の個数: 32

約数和(自身を含む): 183882960

約数和(自身を除く): 102918200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 18917, 37834, 75668, 94585, 151336, 189170, 378340, 756680, 2024119, 4048238, 8096476, 10120595, 16192952, 20241190, 40482380, 80964760]

約数ペア:

[(1, 80964760), (2, 40482380), (4, 20241190), (5, 16192952), (8, 10120595), (10, 8096476), (20, 4048238), (40, 2024119), (107, 756680), (214, 378340), (428, 189170), (535, 151336), (856, 94585), (1070, 75668), (2140, 37834), (4280, 18917)]