86886640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47221}}^1$

素因数の和:47257

約数の個数: 40

約数和(自身を含む): 210799008

約数和(自身を除く): 123912368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 47221, 94442, 188884, 236105, 377768, 472210, 755536, 944420, 1086083, 1888840, 2172166, 3777680, 4344332, 5430415, 8688664, 10860830, 17377328, 21721660, 43443320, 86886640]

約数ペア:

[(1, 86886640), (2, 43443320), (4, 21721660), (5, 17377328), (8, 10860830), (10, 8688664), (16, 5430415), (20, 4344332), (23, 3777680), (40, 2172166), (46, 1888840), (80, 1086083), (92, 944420), (115, 755536), (184, 472210), (230, 377768), (368, 236105), (460, 188884), (920, 94442), (1840, 47221)]