4001020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10529}}^1$

素因数の和:10557

約数の個数: 24

約数和(自身を含む): 8845200

約数和(自身を除く): 4844180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 10529, 21058, 42116, 52645, 105290, 200051, 210580, 400102, 800204, 1000255, 2000510, 4001020]

約数ペア:

[(1, 4001020), (2, 2000510), (4, 1000255), (5, 800204), (10, 400102), (19, 210580), (20, 200051), (38, 105290), (76, 52645), (95, 42116), (190, 21058), (380, 10529)]