84786880

素因数分解:

$2^6\times 5^1\times {\mathrm{264959}}^1$

素因数の和:264976

約数の個数: 28

約数和(自身を含む): 201899520

約数和(自身を除く): 117112640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 264959, 529918, 1059836, 1324795, 2119672, 2649590, 4239344, 5299180, 8478688, 10598360, 16957376, 21196720, 42393440, 84786880]

約数ペア:

[(1, 84786880), (2, 42393440), (4, 21196720), (5, 16957376), (8, 10598360), (10, 8478688), (16, 5299180), (20, 4239344), (32, 2649590), (40, 2119672), (64, 1324795), (80, 1059836), (160, 529918), (320, 264959)]