66643760

素因数分解:

$2^4\times 5^1\times {\mathrm{833047}}^1$

素因数の和:833060

約数の個数: 20

約数和(自身を含む): 154946928

約数和(自身を除く): 88303168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 833047, 1666094, 3332188, 4165235, 6664376, 8330470, 13328752, 16660940, 33321880, 66643760]

約数ペア:

[(1, 66643760), (2, 33321880), (4, 16660940), (5, 13328752), (8, 8330470), (10, 6664376), (16, 4165235), (20, 3332188), (40, 1666094), (80, 833047)]