27487820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22531}}^1$

素因数の和:22601

約数の個数: 24

約数和(自身を含む): 58673328

約数和(自身を除く): 31185508

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 22531, 45062, 90124, 112655, 225310, 450620, 1374391, 2748782, 5497564, 6871955, 13743910, 27487820]

約数ペア:

[(1, 27487820), (2, 13743910), (4, 6871955), (5, 5497564), (10, 2748782), (20, 1374391), (61, 450620), (122, 225310), (244, 112655), (305, 90124), (610, 45062), (1220, 22531)]