81066080

素因数分解:

$2^5\times 5^1\times {\mathrm{506663}}^1$

素因数の和:506678

約数の個数: 24

約数和(自身を含む): 191518992

約数和(自身を除く): 110452912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 506663, 1013326, 2026652, 2533315, 4053304, 5066630, 8106608, 10133260, 16213216, 20266520, 40533040, 81066080]

約数ペア:

[(1, 81066080), (2, 40533040), (4, 20266520), (5, 16213216), (8, 10133260), (10, 8106608), (16, 5066630), (20, 4053304), (32, 2533315), (40, 2026652), (80, 1013326), (160, 506663)]