54172420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{142559}}^1$

素因数の和:142587

約数の個数: 24

約数和(自身を含む): 119750400

約数和(自身を除く): 65577980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 142559, 285118, 570236, 712795, 1425590, 2708621, 2851180, 5417242, 10834484, 13543105, 27086210, 54172420]

約数ペア:

[(1, 54172420), (2, 27086210), (4, 13543105), (5, 10834484), (10, 5417242), (19, 2851180), (20, 2708621), (38, 1425590), (76, 712795), (95, 570236), (190, 285118), (380, 142559)]