201691480

素因数分解:

$2^3\times 5^1\times {\mathrm{5042287}}^1$

素因数の和:5042298

約数の個数: 16

約数和(自身を含む): 453805920

約数和(自身を除く): 252114440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5042287, 10084574, 20169148, 25211435, 40338296, 50422870, 100845740, 201691480]

約数ペア:

[(1, 201691480), (2, 100845740), (4, 50422870), (5, 40338296), (8, 25211435), (10, 20169148), (20, 10084574), (40, 5042287)]