5138380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19763}}^1$

素因数の和:19785

約数の個数: 24

約数和(自身を含む): 11621232

約数和(自身を除く): 6482852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 19763, 39526, 79052, 98815, 197630, 256919, 395260, 513838, 1027676, 1284595, 2569190, 5138380]

約数ペア:

[(1, 5138380), (2, 2569190), (4, 1284595), (5, 1027676), (10, 513838), (13, 395260), (20, 256919), (26, 197630), (52, 98815), (65, 79052), (130, 39526), (260, 19763)]