64514000

素因数分解:

$2^4\times 5^3\times {\mathrm{32257}}^1$

素因数の和:32280

約数の個数: 40

約数和(自身を含む): 155999688

約数和(自身を除く): 91485688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 32257, 64514, 129028, 161285, 258056, 322570, 516112, 645140, 806425, 1290280, 1612850, 2580560, 3225700, 4032125, 6451400, 8064250, 12902800, 16128500, 32257000, 64514000]

約数ペア:

[(1, 64514000), (2, 32257000), (4, 16128500), (5, 12902800), (8, 8064250), (10, 6451400), (16, 4032125), (20, 3225700), (25, 2580560), (40, 1612850), (50, 1290280), (80, 806425), (100, 645140), (125, 516112), (200, 322570), (250, 258056), (400, 161285), (500, 129028), (1000, 64514), (2000, 32257)]