10870000

素因数分解:

$2^4\times 5^4\times {\mathrm{1087}}^1$

素因数の和:1115

約数の個数: 50

約数和(自身を含む): 26341568

約数和(自身を除く): 15471568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1087, 1250, 2000, 2174, 2500, 4348, 5000, 5435, 8696, 10000, 10870, 17392, 21740, 27175, 43480, 54350, 86960, 108700, 135875, 217400, 271750, 434800, 543500, 679375, 1087000, 1358750, 2174000, 2717500, 5435000, 10870000]

約数ペア:

[(1, 10870000), (2, 5435000), (4, 2717500), (5, 2174000), (8, 1358750), (10, 1087000), (16, 679375), (20, 543500), (25, 434800), (40, 271750), (50, 217400), (80, 135875), (100, 108700), (125, 86960), (200, 54350), (250, 43480), (400, 27175), (500, 21740), (625, 17392), (1000, 10870), (1087, 10000), (1250, 8696), (2000, 5435), (2174, 5000), (2500, 4348)]