27900820

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4457}}^1$

素因数の和:4779

約数の個数: 24

約数和(自身を含む): 58792104

約数和(自身を除く): 30891284

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 4457, 6260, 8914, 17828, 22285, 44570, 89140, 1395041, 2790082, 5580164, 6975205, 13950410, 27900820]

約数ペア:

[(1, 27900820), (2, 13950410), (4, 6975205), (5, 5580164), (10, 2790082), (20, 1395041), (313, 89140), (626, 44570), (1252, 22285), (1565, 17828), (3130, 8914), (4457, 6260)]