40533040

素因数分解:

$2^4\times 5^1\times {\mathrm{506663}}^1$

素因数の和:506676

約数の個数: 20

約数和(自身を含む): 94239504

約数和(自身を除く): 53706464

約数列:

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

約数ペア:

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