55540760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126229}}^1$

素因数の和:126251

約数の個数: 32

約数和(自身を含む): 136328400

約数和(自身を除く): 80787640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 126229, 252458, 504916, 631145, 1009832, 1262290, 1388519, 2524580, 2777038, 5049160, 5554076, 6942595, 11108152, 13885190, 27770380, 55540760]

約数ペア:

[(1, 55540760), (2, 27770380), (4, 13885190), (5, 11108152), (8, 6942595), (10, 5554076), (11, 5049160), (20, 2777038), (22, 2524580), (40, 1388519), (44, 1262290), (55, 1009832), (88, 631145), (110, 504916), (220, 252458), (440, 126229)]