27972440

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1669}}^1$

素因数の和:2099

約数の個数: 32

約数和(自身を含む): 63126000

約数和(自身を除く): 35153560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1669, 1676, 2095, 3338, 3352, 4190, 6676, 8345, 8380, 13352, 16690, 16760, 33380, 66760, 699311, 1398622, 2797244, 3496555, 5594488, 6993110, 13986220, 27972440]

約数ペア:

[(1, 27972440), (2, 13986220), (4, 6993110), (5, 5594488), (8, 3496555), (10, 2797244), (20, 1398622), (40, 699311), (419, 66760), (838, 33380), (1669, 16760), (1676, 16690), (2095, 13352), (3338, 8380), (3352, 8345), (4190, 6676)]