7907420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20809}}^1$

素因数の和:20837

約数の個数: 24

約数和(自身を含む): 17480400

約数和(自身を除く): 9572980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 20809, 41618, 83236, 104045, 208090, 395371, 416180, 790742, 1581484, 1976855, 3953710, 7907420]

約数ペア:

[(1, 7907420), (2, 3953710), (4, 1976855), (5, 1581484), (10, 790742), (19, 416180), (20, 395371), (38, 208090), (76, 104045), (95, 83236), (190, 41618), (380, 20809)]