4172020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10979}}^1$

素因数の和:11007

約数の個数: 24

約数和(自身を含む): 9223200

約数和(自身を除く): 5051180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 10979, 21958, 43916, 54895, 109790, 208601, 219580, 417202, 834404, 1043005, 2086010, 4172020]

約数ペア:

[(1, 4172020), (2, 2086010), (4, 1043005), (5, 834404), (10, 417202), (19, 219580), (20, 208601), (38, 109790), (76, 54895), (95, 43916), (190, 21958), (380, 10979)]