87664120

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{41351}}^1$

素因数の和:41415

約数の個数: 32

約数和(自身を含む): 200970720

約数和(自身を除く): 113306600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 41351, 82702, 165404, 206755, 330808, 413510, 827020, 1654040, 2191603, 4383206, 8766412, 10958015, 17532824, 21916030, 43832060, 87664120]

約数ペア:

[(1, 87664120), (2, 43832060), (4, 21916030), (5, 17532824), (8, 10958015), (10, 8766412), (20, 4383206), (40, 2191603), (53, 1654040), (106, 827020), (212, 413510), (265, 330808), (424, 206755), (530, 165404), (1060, 82702), (2120, 41351)]