1796740040

素因数分解:

$2^3\times 5^1\times {\mathrm{2087}}^1\times {\mathrm{21523}}^1$

素因数の和:23621

約数の個数: 32

約数和(自身を含む): 4044790080

約数和(自身を除く): 2248050040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2087, 4174, 8348, 10435, 16696, 20870, 21523, 41740, 43046, 83480, 86092, 107615, 172184, 215230, 430460, 860920, 44918501, 89837002, 179674004, 224592505, 359348008, 449185010, 898370020, 1796740040]

約数ペア:

[(1, 1796740040), (2, 898370020), (4, 449185010), (5, 359348008), (8, 224592505), (10, 179674004), (20, 89837002), (40, 44918501), (2087, 860920), (4174, 430460), (8348, 215230), (10435, 172184), (16696, 107615), (20870, 86092), (21523, 83480), (41740, 43046)]