16638500

素因数分解:

$2^2\times 5^3\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:437

約数の個数: 48

約数和(自身を含む): 36796032

約数和(自身を除く): 20157532

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 107, 125, 214, 250, 311, 428, 500, 535, 622, 1070, 1244, 1555, 2140, 2675, 3110, 5350, 6220, 7775, 10700, 13375, 15550, 26750, 31100, 33277, 38875, 53500, 66554, 77750, 133108, 155500, 166385, 332770, 665540, 831925, 1663850, 3327700, 4159625, 8319250, 16638500]

約数ペア:

[(1, 16638500), (2, 8319250), (4, 4159625), (5, 3327700), (10, 1663850), (20, 831925), (25, 665540), (50, 332770), (100, 166385), (107, 155500), (125, 133108), (214, 77750), (250, 66554), (311, 53500), (428, 38875), (500, 33277), (535, 31100), (622, 26750), (1070, 15550), (1244, 13375), (1555, 10700), (2140, 7775), (2675, 6220), (3110, 5350)]