26303120

素因数分解:

$2^4\times 5^1\times {\mathrm{328789}}^1$

素因数の和:328802

約数の個数: 20

約数和(自身を含む): 61154940

約数和(自身を除く): 34851820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 328789, 657578, 1315156, 1643945, 2630312, 3287890, 5260624, 6575780, 13151560, 26303120]

約数ペア:

[(1, 26303120), (2, 13151560), (4, 6575780), (5, 5260624), (8, 3287890), (10, 2630312), (16, 1643945), (20, 1315156), (40, 657578), (80, 328789)]