85781720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{93241}}^1$

素因数の和:93275

約数の個数: 32

約数和(自身を含む): 201402720

約数和(自身を除く): 115621000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 93241, 186482, 372964, 466205, 745928, 932410, 1864820, 2144543, 3729640, 4289086, 8578172, 10722715, 17156344, 21445430, 42890860, 85781720]

約数ペア:

[(1, 85781720), (2, 42890860), (4, 21445430), (5, 17156344), (8, 10722715), (10, 8578172), (20, 4289086), (23, 3729640), (40, 2144543), (46, 1864820), (92, 932410), (115, 745928), (184, 466205), (230, 372964), (460, 186482), (920, 93241)]