64619440

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{7549}}^1$

素因数の和:7669

約数の個数: 40

約数和(自身を含む): 151664400

約数和(自身を除く): 87044960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 7549, 8560, 15098, 30196, 37745, 60392, 75490, 120784, 150980, 301960, 603920, 807743, 1615486, 3230972, 4038715, 6461944, 8077430, 12923888, 16154860, 32309720, 64619440]

約数ペア:

[(1, 64619440), (2, 32309720), (4, 16154860), (5, 12923888), (8, 8077430), (10, 6461944), (16, 4038715), (20, 3230972), (40, 1615486), (80, 807743), (107, 603920), (214, 301960), (428, 150980), (535, 120784), (856, 75490), (1070, 60392), (1712, 37745), (2140, 30196), (4280, 15098), (7549, 8560)]