2131760

素因数分解:

$2^4\times 5^1\times {\mathrm{26647}}^1$

素因数の和:26660

約数の個数: 20

約数和(自身を含む): 4956528

約数和(自身を除く): 2824768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26647, 53294, 106588, 133235, 213176, 266470, 426352, 532940, 1065880, 2131760]

約数ペア:

[(1, 2131760), (2, 1065880), (4, 532940), (5, 426352), (8, 266470), (10, 213176), (16, 133235), (20, 106588), (40, 53294), (80, 26647)]