1555285780

素因数分解:

$2^2\times 5^1\times {\mathrm{5107}}^1\times {\mathrm{15227}}^1$

素因数の和:20343

約数の個数: 24

約数和(自身を含む): 3266954208

約数和(自身を除く): 1711668428

約数列:

[1, 2, 4, 5, 10, 20, 5107, 10214, 15227, 20428, 25535, 30454, 51070, 60908, 76135, 102140, 152270, 304540, 77764289, 155528578, 311057156, 388821445, 777642890, 1555285780]

約数ペア:

[(1, 1555285780), (2, 777642890), (4, 388821445), (5, 311057156), (10, 155528578), (20, 77764289), (5107, 304540), (10214, 152270), (15227, 102140), (20428, 76135), (25535, 60908), (30454, 51070)]