55230260

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{19867}}^1$

素因数の和:20015

約数の個数: 24

約数和(自身を含む): 116823840

約数和(自身を除く): 61593580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 19867, 39734, 79468, 99335, 198670, 397340, 2761513, 5523026, 11046052, 13807565, 27615130, 55230260]

約数ペア:

[(1, 55230260), (2, 27615130), (4, 13807565), (5, 11046052), (10, 5523026), (20, 2761513), (139, 397340), (278, 198670), (556, 99335), (695, 79468), (1390, 39734), (2780, 19867)]