265794640

素因数分解:

$2^4\times 5^1\times {\mathrm{3322433}}^1$

素因数の和:3322446

約数の個数: 20

約数和(自身を含む): 617972724

約数和(自身を除く): 352178084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3322433, 6644866, 13289732, 16612165, 26579464, 33224330, 53158928, 66448660, 132897320, 265794640]

約数ペア:

[(1, 265794640), (2, 132897320), (4, 66448660), (5, 53158928), (8, 33224330), (10, 26579464), (16, 16612165), (20, 13289732), (40, 6644866), (80, 3322433)]