8124020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21379}}^1$

素因数の和:21407

約数の個数: 24

約数和(自身を含む): 17959200

約数和(自身を除く): 9835180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 21379, 42758, 85516, 106895, 213790, 406201, 427580, 812402, 1624804, 2031005, 4062010, 8124020]

約数ペア:

[(1, 8124020), (2, 4062010), (4, 2031005), (5, 1624804), (10, 812402), (19, 427580), (20, 406201), (38, 213790), (76, 106895), (95, 85516), (190, 42758), (380, 21379)]