81000580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{238237}}^1$

素因数の和:238263

約数の個数: 24

約数和(自身を含む): 180107928

約数和(自身を除く): 99107348

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 238237, 476474, 952948, 1191185, 2382370, 4050029, 4764740, 8100058, 16200116, 20250145, 40500290, 81000580]

約数ペア:

[(1, 81000580), (2, 40500290), (4, 20250145), (5, 16200116), (10, 8100058), (17, 4764740), (20, 4050029), (34, 2382370), (68, 1191185), (85, 952948), (170, 476474), (340, 238237)]