8272820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6781}}^1$

素因数の和:6851

約数の個数: 24

約数和(自身を含む): 17660328

約数和(自身を除く): 9387508

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 6781, 13562, 27124, 33905, 67810, 135620, 413641, 827282, 1654564, 2068205, 4136410, 8272820]

約数ペア:

[(1, 8272820), (2, 4136410), (4, 2068205), (5, 1654564), (10, 827282), (20, 413641), (61, 135620), (122, 67810), (244, 33905), (305, 27124), (610, 13562), (1220, 6781)]