2581880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9221}}^1$

素因数の和:9239

約数の個数: 32

約数和(自身を含む): 6639840

約数和(自身を除く): 4057960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9221, 18442, 36884, 46105, 64547, 73768, 92210, 129094, 184420, 258188, 322735, 368840, 516376, 645470, 1290940, 2581880]

約数ペア:

[(1, 2581880), (2, 1290940), (4, 645470), (5, 516376), (7, 368840), (8, 322735), (10, 258188), (14, 184420), (20, 129094), (28, 92210), (35, 73768), (40, 64547), (56, 46105), (70, 36884), (140, 18442), (280, 9221)]