66883760

素因数分解:

$2^4\times 5^1\times {\mathrm{836047}}^1$

素因数の和:836060

約数の個数: 20

約数和(自身を含む): 155504928

約数和(自身を除く): 88621168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 836047, 1672094, 3344188, 4180235, 6688376, 8360470, 13376752, 16720940, 33441880, 66883760]

約数ペア:

[(1, 66883760), (2, 33441880), (4, 16720940), (5, 13376752), (8, 8360470), (10, 6688376), (16, 4180235), (20, 3344188), (40, 1672094), (80, 836047)]