81359000

素因数分解:

$2^3\times 5^3\times {\mathrm{81359}}^1$

素因数の和:81380

約数の個数: 32

約数和(自身を含む): 190382400

約数和(自身を除く): 109023400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 81359, 162718, 325436, 406795, 650872, 813590, 1627180, 2033975, 3254360, 4067950, 8135900, 10169875, 16271800, 20339750, 40679500, 81359000]

約数ペア:

[(1, 81359000), (2, 40679500), (4, 20339750), (5, 16271800), (8, 10169875), (10, 8135900), (20, 4067950), (25, 3254360), (40, 2033975), (50, 1627180), (100, 813590), (125, 650872), (200, 406795), (250, 325436), (500, 162718), (1000, 81359)]