281807920

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{27737}}^1$

素因数の和:27877

約数の個数: 40

約数和(自身を含む): 660386304

約数和(自身を除く): 378578384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 27737, 55474, 110948, 138685, 221896, 277370, 443792, 554740, 1109480, 2218960, 3522599, 7045198, 14090396, 17612995, 28180792, 35225990, 56361584, 70451980, 140903960, 281807920]

約数ペア:

[(1, 281807920), (2, 140903960), (4, 70451980), (5, 56361584), (8, 35225990), (10, 28180792), (16, 17612995), (20, 14090396), (40, 7045198), (80, 3522599), (127, 2218960), (254, 1109480), (508, 554740), (635, 443792), (1016, 277370), (1270, 221896), (2032, 138685), (2540, 110948), (5080, 55474), (10160, 27737)]