8539120

素因数分解:

$2^4\times 5^1\times {\mathrm{106739}}^1$

素因数の和:106752

約数の個数: 20

約数和(自身を含む): 19853640

約数和(自身を除く): 11314520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 106739, 213478, 426956, 533695, 853912, 1067390, 1707824, 2134780, 4269560, 8539120]

約数ペア:

[(1, 8539120), (2, 4269560), (4, 2134780), (5, 1707824), (8, 1067390), (10, 853912), (16, 533695), (20, 426956), (40, 213478), (80, 106739)]