83647660

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{21017}}^1$

素因数の和:21225

約数の個数: 24

約数和(自身を含む): 176551200

約数和(自身を除く): 92903540

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 21017, 42034, 84068, 105085, 210170, 420340, 4182383, 8364766, 16729532, 20911915, 41823830, 83647660]

約数ペア:

[(1, 83647660), (2, 41823830), (4, 20911915), (5, 16729532), (10, 8364766), (20, 4182383), (199, 420340), (398, 210170), (796, 105085), (995, 84068), (1990, 42034), (3980, 21017)]