65231120

素因数分解:

$2^4\times 5^1\times {\mathrm{815389}}^1$

素因数の和:815402

約数の個数: 20

約数和(自身を含む): 151662540

約数和(自身を除く): 86431420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 815389, 1630778, 3261556, 4076945, 6523112, 8153890, 13046224, 16307780, 32615560, 65231120]

約数ペア:

[(1, 65231120), (2, 32615560), (4, 16307780), (5, 13046224), (8, 8153890), (10, 6523112), (16, 4076945), (20, 3261556), (40, 1630778), (80, 815389)]