80804900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73459}}^1$

素因数の和:73484

約数の個数: 36

約数和(自身を含む): 191289840

約数和(自身を除く): 110484940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 73459, 146918, 293836, 367295, 734590, 808049, 1469180, 1616098, 1836475, 3232196, 3672950, 4040245, 7345900, 8080490, 16160980, 20201225, 40402450, 80804900]

約数ペア:

[(1, 80804900), (2, 40402450), (4, 20201225), (5, 16160980), (10, 8080490), (11, 7345900), (20, 4040245), (22, 3672950), (25, 3232196), (44, 1836475), (50, 1616098), (55, 1469180), (100, 808049), (110, 734590), (220, 367295), (275, 293836), (550, 146918), (1100, 73459)]