9869780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15919}}^1$

素因数の和:15959

約数の個数: 24

約数和(自身を含む): 21396480

約数和(自身を除く): 11526700

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 15919, 31838, 63676, 79595, 159190, 318380, 493489, 986978, 1973956, 2467445, 4934890, 9869780]

約数ペア:

[(1, 9869780), (2, 4934890), (4, 2467445), (5, 1973956), (10, 986978), (20, 493489), (31, 318380), (62, 159190), (124, 79595), (155, 63676), (310, 31838), (620, 15919)]