28876420

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{4703}}^1$

素因数の和:5019

約数の個数: 24

約数和(自身を含む): 60850944

約数和(自身を除く): 31974524

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 4703, 6140, 9406, 18812, 23515, 47030, 94060, 1443821, 2887642, 5775284, 7219105, 14438210, 28876420]

約数ペア:

[(1, 28876420), (2, 14438210), (4, 7219105), (5, 5775284), (10, 2887642), (20, 1443821), (307, 94060), (614, 47030), (1228, 23515), (1535, 18812), (3070, 9406), (4703, 6140)]