84086440

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{7481}}^1$

素因数の和:7773

約数の個数: 32

約数和(自身を含む): 189893160

約数和(自身を除く): 105806720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 7481, 11240, 14962, 29924, 37405, 59848, 74810, 149620, 299240, 2102161, 4204322, 8408644, 10510805, 16817288, 21021610, 42043220, 84086440]

約数ペア:

[(1, 84086440), (2, 42043220), (4, 21021610), (5, 16817288), (8, 10510805), (10, 8408644), (20, 4204322), (40, 2102161), (281, 299240), (562, 149620), (1124, 74810), (1405, 59848), (2248, 37405), (2810, 29924), (5620, 14962), (7481, 11240)]