54991750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19997}}^1$

素因数の和:20025

約数の個数: 32

約数和(自身を含む): 112308768

約数和(自身を除く): 57317018

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 19997, 39994, 99985, 199970, 219967, 439934, 499925, 999850, 1099835, 2199670, 2499625, 4999250, 5499175, 10998350, 27495875, 54991750]

約数ペア:

[(1, 54991750), (2, 27495875), (5, 10998350), (10, 5499175), (11, 4999250), (22, 2499625), (25, 2199670), (50, 1099835), (55, 999850), (110, 499925), (125, 439934), (250, 219967), (275, 199970), (550, 99985), (1375, 39994), (2750, 19997)]