26646380

素因数分解:

$2^2\times 5^1\times {\mathrm{1332319}}^1$

素因数の和:1332328

約数の個数: 12

約数和(自身を含む): 55957440

約数和(自身を除く): 29311060

約数列:

[1, 2, 4, 5, 10, 20, 1332319, 2664638, 5329276, 6661595, 13323190, 26646380]

約数ペア:

[(1, 26646380), (2, 13323190), (4, 6661595), (5, 5329276), (10, 2664638), (20, 1332319)]