26995240

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1021}}^1$

素因数の和:1693

約数の個数: 32

約数和(自身を含む): 60890760

約数和(自身を除く): 33895520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1021, 1322, 2042, 2644, 3305, 4084, 5105, 5288, 6610, 8168, 10210, 13220, 20420, 26440, 40840, 674881, 1349762, 2699524, 3374405, 5399048, 6748810, 13497620, 26995240]

約数ペア:

[(1, 26995240), (2, 13497620), (4, 6748810), (5, 5399048), (8, 3374405), (10, 2699524), (20, 1349762), (40, 674881), (661, 40840), (1021, 26440), (1322, 20420), (2042, 13220), (2644, 10210), (3305, 8168), (4084, 6610), (5105, 5288)]