66116240

素因数分解:

$2^4\times 5^1\times {\mathrm{826453}}^1$

素因数の和:826466

約数の個数: 20

約数和(自身を含む): 153720444

約数和(自身を除く): 87604204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 826453, 1652906, 3305812, 4132265, 6611624, 8264530, 13223248, 16529060, 33058120, 66116240]

約数ペア:

[(1, 66116240), (2, 33058120), (4, 16529060), (5, 13223248), (8, 8264530), (10, 6611624), (16, 4132265), (20, 3305812), (40, 1652906), (80, 826453)]