55538780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{252449}}^1$

素因数の和:252469

約数の個数: 24

約数和(自身を含む): 127234800

約数和(自身を除く): 71696020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 252449, 504898, 1009796, 1262245, 2524490, 2776939, 5048980, 5553878, 11107756, 13884695, 27769390, 55538780]

約数ペア:

[(1, 55538780), (2, 27769390), (4, 13884695), (5, 11107756), (10, 5553878), (11, 5048980), (20, 2776939), (22, 2524490), (44, 1262245), (55, 1009796), (110, 504898), (220, 252449)]