816200080

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{443587}}^1$

素因数の和:443623

約数の個数: 40

約数和(自身を含む): 1980176832

約数和(自身を除く): 1163976752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 443587, 887174, 1774348, 2217935, 3548696, 4435870, 7097392, 8871740, 10202501, 17743480, 20405002, 35486960, 40810004, 51012505, 81620008, 102025010, 163240016, 204050020, 408100040, 816200080]

約数ペア:

[(1, 816200080), (2, 408100040), (4, 204050020), (5, 163240016), (8, 102025010), (10, 81620008), (16, 51012505), (20, 40810004), (23, 35486960), (40, 20405002), (46, 17743480), (80, 10202501), (92, 8871740), (115, 7097392), (184, 4435870), (230, 3548696), (368, 2217935), (460, 1774348), (920, 887174), (1840, 443587)]