6397180

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{641}}^1$

素因数の和:1149

約数の個数: 24

約数和(自身を含む): 13482000

約数和(自身を除く): 7084820

約数列:

[1, 2, 4, 5, 10, 20, 499, 641, 998, 1282, 1996, 2495, 2564, 3205, 4990, 6410, 9980, 12820, 319859, 639718, 1279436, 1599295, 3198590, 6397180]

約数ペア:

[(1, 6397180), (2, 3198590), (4, 1599295), (5, 1279436), (10, 639718), (20, 319859), (499, 12820), (641, 9980), (998, 6410), (1282, 4990), (1996, 3205), (2495, 2564)]