122788880

素因数分解:

$2^4\times 5^1\times {\mathrm{1534861}}^1$

素因数の和:1534874

約数の個数: 20

約数和(自身を含む): 285484332

約数和(自身を除く): 162695452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1534861, 3069722, 6139444, 7674305, 12278888, 15348610, 24557776, 30697220, 61394440, 122788880]

約数ペア:

[(1, 122788880), (2, 61394440), (4, 30697220), (5, 24557776), (8, 15348610), (10, 12278888), (16, 7674305), (20, 6139444), (40, 3069722), (80, 1534861)]