965797780

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{121637}}^1$

素因数の和:122043

約数の個数: 24

約数和(自身を含む): 2033300808

約数和(自身を除く): 1067503028

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 7940, 121637, 243274, 486548, 608185, 1216370, 2432740, 48289889, 96579778, 193159556, 241449445, 482898890, 965797780]

約数ペア:

[(1, 965797780), (2, 482898890), (4, 241449445), (5, 193159556), (10, 96579778), (20, 48289889), (397, 2432740), (794, 1216370), (1588, 608185), (1985, 486548), (3970, 243274), (7940, 121637)]