66963760

素因数分解:

$2^4\times 5^1\times {\mathrm{837047}}^1$

素因数の和:837060

約数の個数: 20

約数和(自身を含む): 155690928

約数和(自身を除く): 88727168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 837047, 1674094, 3348188, 4185235, 6696376, 8370470, 13392752, 16740940, 33481880, 66963760]

約数ペア:

[(1, 66963760), (2, 33481880), (4, 16740940), (5, 13392752), (8, 8370470), (10, 6696376), (16, 4185235), (20, 3348188), (40, 1674094), (80, 837047)]