126690880

素因数分解:

$2^6\times 5^1\times {\mathrm{395909}}^1$

素因数の和:395926

約数の個数: 28

約数和(自身を含む): 301683420

約数和(自身を除く): 174992540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 395909, 791818, 1583636, 1979545, 3167272, 3959090, 6334544, 7918180, 12669088, 15836360, 25338176, 31672720, 63345440, 126690880]

約数ペア:

[(1, 126690880), (2, 63345440), (4, 31672720), (5, 25338176), (8, 15836360), (10, 12669088), (16, 7918180), (20, 6334544), (32, 3959090), (40, 3167272), (64, 1979545), (80, 1583636), (160, 791818), (320, 395909)]