201604420

素因数分解:

$2^2\times 5^1\times {\mathrm{10080221}}^1$

素因数の和:10080230

約数の個数: 12

約数和(自身を含む): 423369324

約数和(自身を除く): 221764904

約数列:

[1, 2, 4, 5, 10, 20, 10080221, 20160442, 40320884, 50401105, 100802210, 201604420]

約数ペア:

[(1, 201604420), (2, 100802210), (4, 50401105), (5, 40320884), (10, 20160442), (20, 10080221)]