201604940

素因数分解:

$2^2\times 5^1\times {\mathrm{10080247}}^1$

素因数の和:10080256

約数の個数: 12

約数和(自身を含む): 423370416

約数和(自身を除く): 221765476

約数列:

[1, 2, 4, 5, 10, 20, 10080247, 20160494, 40320988, 50401235, 100802470, 201604940]

約数ペア:

[(1, 201604940), (2, 100802470), (4, 50401235), (5, 40320988), (10, 20160494), (20, 10080247)]