4388780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19949}}^1$

素因数の和:19969

約数の個数: 24

約数和(自身を含む): 10054800

約数和(自身を除く): 5666020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 19949, 39898, 79796, 99745, 199490, 219439, 398980, 438878, 877756, 1097195, 2194390, 4388780]

約数ペア:

[(1, 4388780), (2, 2194390), (4, 1097195), (5, 877756), (10, 438878), (11, 398980), (20, 219439), (22, 199490), (44, 99745), (55, 79796), (110, 39898), (220, 19949)]