201618680

素因数分解:

$2^3\times 5^1\times {\mathrm{5040467}}^1$

素因数の和:5040478

約数の個数: 16

約数和(自身を含む): 453642120

約数和(自身を除く): 252023440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5040467, 10080934, 20161868, 25202335, 40323736, 50404670, 100809340, 201618680]

約数ペア:

[(1, 201618680), (2, 100809340), (4, 50404670), (5, 40323736), (8, 25202335), (10, 20161868), (20, 10080934), (40, 5040467)]