77172880

素因数分解:

$2^4\times 5^1\times {\mathrm{964661}}^1$

素因数の和:964674

約数の個数: 20

約数和(自身を含む): 179427132

約数和(自身を除く): 102254252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 964661, 1929322, 3858644, 4823305, 7717288, 9646610, 15434576, 19293220, 38586440, 77172880]

約数ペア:

[(1, 77172880), (2, 38586440), (4, 19293220), (5, 15434576), (8, 9646610), (10, 7717288), (16, 4823305), (20, 3858644), (40, 1929322), (80, 964661)]