40900072

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{1117}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 80496000

約数和(自身を除く): 39595928

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 199, 398, 796, 1117, 1592, 2234, 4468, 4577, 8936, 9154, 18308, 25691, 36616, 51382, 102764, 205528, 222283, 444566, 889132, 1778264, 5112509, 10225018, 20450036, 40900072]

約数ペア:

[(1, 40900072), (2, 20450036), (4, 10225018), (8, 5112509), (23, 1778264), (46, 889132), (92, 444566), (184, 222283), (199, 205528), (398, 102764), (796, 51382), (1117, 36616), (1592, 25691), (2234, 18308), (4468, 9154), (4577, 8936)]