8390020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{22079}}^1$

素因数の和:22107

約数の個数: 24

約数和(自身を含む): 18547200

約数和(自身を除く): 10157180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 22079, 44158, 88316, 110395, 220790, 419501, 441580, 839002, 1678004, 2097505, 4195010, 8390020]

約数ペア:

[(1, 8390020), (2, 4195010), (4, 2097505), (5, 1678004), (10, 839002), (19, 441580), (20, 419501), (38, 220790), (76, 110395), (95, 88316), (190, 44158), (380, 22079)]