2172920

素因数分解:

$2^3\times 5^1\times {\mathrm{54323}}^1$

素因数の和:54334

約数の個数: 16

約数和(自身を含む): 4889160

約数和(自身を除く): 2716240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 54323, 108646, 217292, 271615, 434584, 543230, 1086460, 2172920]

約数ペア:

[(1, 2172920), (2, 1086460), (4, 543230), (5, 434584), (8, 271615), (10, 217292), (20, 108646), (40, 54323)]