27928780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126949}}^1$

素因数の和:126969

約数の個数: 24

約数和(自身を含む): 63982800

約数和(自身を除く): 36054020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 126949, 253898, 507796, 634745, 1269490, 1396439, 2538980, 2792878, 5585756, 6982195, 13964390, 27928780]

約数ペア:

[(1, 27928780), (2, 13964390), (4, 6982195), (5, 5585756), (10, 2792878), (11, 2538980), (20, 1396439), (22, 1269490), (44, 634745), (55, 507796), (110, 253898), (220, 126949)]