81068210

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{78707}}^1$

素因数の和:78817

約数の個数: 16

約数和(自身を含む): 147341376

約数和(自身を除く): 66273166

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 78707, 157414, 393535, 787070, 8106821, 16213642, 40534105, 81068210]

約数ペア:

[(1, 81068210), (2, 40534105), (5, 16213642), (10, 8106821), (103, 787070), (206, 393535), (515, 157414), (1030, 78707)]