1613180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1021}}^1$

素因数の和:1109

約数の個数: 24

約数和(自身を含む): 3433920

約数和(自身を除く): 1820740

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1021, 1580, 2042, 4084, 5105, 10210, 20420, 80659, 161318, 322636, 403295, 806590, 1613180]

約数ペア:

[(1, 1613180), (2, 806590), (4, 403295), (5, 322636), (10, 161318), (20, 80659), (79, 20420), (158, 10210), (316, 5105), (395, 4084), (790, 2042), (1021, 1580)]