27138890

素因数分解:

$2^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{5209}}^1$

素因数の和:5737

約数の個数: 16

約数和(自身を含む): 48953160

約数和(自身を除く): 21814270

約数列:

[1, 2, 5, 10, 521, 1042, 2605, 5209, 5210, 10418, 26045, 52090, 2713889, 5427778, 13569445, 27138890]

約数ペア:

[(1, 27138890), (2, 13569445), (5, 5427778), (10, 2713889), (521, 52090), (1042, 26045), (2605, 10418), (5209, 5210)]