1018940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3919}}^1$

素因数の和:3941

約数の個数: 24

約数和(自身を含む): 2304960

約数和(自身を除く): 1286020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3919, 7838, 15676, 19595, 39190, 50947, 78380, 101894, 203788, 254735, 509470, 1018940]

約数ペア:

[(1, 1018940), (2, 509470), (4, 254735), (5, 203788), (10, 101894), (13, 78380), (20, 50947), (26, 39190), (52, 19595), (65, 15676), (130, 7838), (260, 3919)]