61813040

素因数分解:

$2^4\times 5^1\times {\mathrm{772663}}^1$

素因数の和:772676

約数の個数: 20

約数和(自身を含む): 143715504

約数和(自身を除く): 81902464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 772663, 1545326, 3090652, 3863315, 6181304, 7726630, 12362608, 15453260, 30906520, 61813040]

約数ペア:

[(1, 61813040), (2, 30906520), (4, 15453260), (5, 12362608), (8, 7726630), (10, 6181304), (16, 3863315), (20, 3090652), (40, 1545326), (80, 772663)]