669551440

素因数分解:

$2^4\times 5^1\times {\mathrm{1823}}^1\times {\mathrm{4591}}^1$

素因数の和:6427

約数の個数: 40

約数和(自身を含む): 1557900288

約数和(自身を除く): 888348848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1823, 3646, 4591, 7292, 9115, 9182, 14584, 18230, 18364, 22955, 29168, 36460, 36728, 45910, 72920, 73456, 91820, 145840, 183640, 367280, 8369393, 16738786, 33477572, 41846965, 66955144, 83693930, 133910288, 167387860, 334775720, 669551440]

約数ペア:

[(1, 669551440), (2, 334775720), (4, 167387860), (5, 133910288), (8, 83693930), (10, 66955144), (16, 41846965), (20, 33477572), (40, 16738786), (80, 8369393), (1823, 367280), (3646, 183640), (4591, 145840), (7292, 91820), (9115, 73456), (9182, 72920), (14584, 45910), (18230, 36728), (18364, 36460), (22955, 29168)]