2640208

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{5323}}^1$

素因数の和:5362

約数の個数: 20

約数和(自身を含む): 5281408

約数和(自身を除く): 2641200

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 5323, 10646, 21292, 42584, 85168, 165013, 330026, 660052, 1320104, 2640208]

約数ペア:

[(1, 2640208), (2, 1320104), (4, 660052), (8, 330026), (16, 165013), (31, 85168), (62, 42584), (124, 21292), (248, 10646), (496, 5323)]