64967120

素因数分解:

$2^4\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1777}}^1$

素因数の和:2247

約数の個数: 40

約数和(自身を含む): 151464264

約数和(自身を除く): 86497144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 457, 914, 1777, 1828, 2285, 3554, 3656, 4570, 7108, 7312, 8885, 9140, 14216, 17770, 18280, 28432, 35540, 36560, 71080, 142160, 812089, 1624178, 3248356, 4060445, 6496712, 8120890, 12993424, 16241780, 32483560, 64967120]

約数ペア:

[(1, 64967120), (2, 32483560), (4, 16241780), (5, 12993424), (8, 8120890), (10, 6496712), (16, 4060445), (20, 3248356), (40, 1624178), (80, 812089), (457, 142160), (914, 71080), (1777, 36560), (1828, 35540), (2285, 28432), (3554, 18280), (3656, 17770), (4570, 14216), (7108, 9140), (7312, 8885)]