83660

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 24

約数和(自身を含む): 181440

約数和(自身を除く): 97780

約数列:

[1, 2, 4, 5, 10, 20, 47, 89, 94, 178, 188, 235, 356, 445, 470, 890, 940, 1780, 4183, 8366, 16732, 20915, 41830, 83660]

約数ペア:

[(1, 83660), (2, 41830), (4, 20915), (5, 16732), (10, 8366), (20, 4183), (47, 1780), (89, 940), (94, 890), (178, 470), (188, 445), (235, 356)]