64512320

素因数分解:

$2^6\times 5^1\times {\mathrm{449}}^2$

素因数の和:915

約数の個数: 42

約数和(自身を含む): 153962862

約数和(自身を除く): 89450542

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 449, 898, 1796, 2245, 3592, 4490, 7184, 8980, 14368, 17960, 28736, 35920, 71840, 143680, 201601, 403202, 806404, 1008005, 1612808, 2016010, 3225616, 4032020, 6451232, 8064040, 12902464, 16128080, 32256160, 64512320]

約数ペア:

[(1, 64512320), (2, 32256160), (4, 16128080), (5, 12902464), (8, 8064040), (10, 6451232), (16, 4032020), (20, 3225616), (32, 2016010), (40, 1612808), (64, 1008005), (80, 806404), (160, 403202), (320, 201601), (449, 143680), (898, 71840), (1796, 35920), (2245, 28736), (3592, 17960), (4490, 14368), (7184, 8980)]