66156080

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2083}}^1$

素因数の和:2493

約数の個数: 40

約数和(自身を含む): 154274352

約数和(自身を除く): 88118272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 1588, 1985, 2083, 3176, 3970, 4166, 6352, 7940, 8332, 10415, 15880, 16664, 20830, 31760, 33328, 41660, 83320, 166640, 826951, 1653902, 3307804, 4134755, 6615608, 8269510, 13231216, 16539020, 33078040, 66156080]

約数ペア:

[(1, 66156080), (2, 33078040), (4, 16539020), (5, 13231216), (8, 8269510), (10, 6615608), (16, 4134755), (20, 3307804), (40, 1653902), (80, 826951), (397, 166640), (794, 83320), (1588, 41660), (1985, 33328), (2083, 31760), (3176, 20830), (3970, 16664), (4166, 15880), (6352, 10415), (7940, 8332)]