7965940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20963}}^1$

素因数の和:20991

約数の個数: 24

約数和(自身を含む): 17609760

約数和(自身を除く): 9643820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 20963, 41926, 83852, 104815, 209630, 398297, 419260, 796594, 1593188, 1991485, 3982970, 7965940]

約数ペア:

[(1, 7965940), (2, 3982970), (4, 1991485), (5, 1593188), (10, 796594), (19, 419260), (20, 398297), (38, 209630), (76, 104815), (95, 83852), (190, 41926), (380, 20963)]