7945940

素因数分解:

$2^2\times 5^1\times {\mathrm{397297}}^1$

素因数の和:397306

約数の個数: 12

約数和(自身を含む): 16686516

約数和(自身を除く): 8740576

約数列:

[1, 2, 4, 5, 10, 20, 397297, 794594, 1589188, 1986485, 3972970, 7945940]

約数ペア:

[(1, 7945940), (2, 3972970), (4, 1986485), (5, 1589188), (10, 794594), (20, 397297)]