8913400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1087}}^1$

素因数の和:1144

約数の個数: 48

約数和(自身を含む): 21248640

約数和(自身を除く): 12335240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1087, 1640, 2050, 2174, 4100, 4348, 5435, 8200, 8696, 10870, 21740, 27175, 43480, 44567, 54350, 89134, 108700, 178268, 217400, 222835, 356536, 445670, 891340, 1114175, 1782680, 2228350, 4456700, 8913400]

約数ペア:

[(1, 8913400), (2, 4456700), (4, 2228350), (5, 1782680), (8, 1114175), (10, 891340), (20, 445670), (25, 356536), (40, 222835), (41, 217400), (50, 178268), (82, 108700), (100, 89134), (164, 54350), (200, 44567), (205, 43480), (328, 27175), (410, 21740), (820, 10870), (1025, 8696), (1087, 8200), (1640, 5435), (2050, 4348), (2174, 4100)]