127985080

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{11551}}^1$

素因数の和:11839

約数の個数: 32

約数和(自身を含む): 289031040

約数和(自身を除く): 161045960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 11080, 11551, 23102, 46204, 57755, 92408, 115510, 231020, 462040, 3199627, 6399254, 12798508, 15998135, 25597016, 31996270, 63992540, 127985080]

約数ペア:

[(1, 127985080), (2, 63992540), (4, 31996270), (5, 25597016), (8, 15998135), (10, 12798508), (20, 6399254), (40, 3199627), (277, 462040), (554, 231020), (1108, 115510), (1385, 92408), (2216, 57755), (2770, 46204), (5540, 23102), (11080, 11551)]