42748940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164419}}^1$

素因数の和:164441

約数の個数: 24

約数和(自身を含む): 96678960

約数和(自身を除く): 53930020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 164419, 328838, 657676, 822095, 1644190, 2137447, 3288380, 4274894, 8549788, 10687235, 21374470, 42748940]

約数ペア:

[(1, 42748940), (2, 21374470), (4, 10687235), (5, 8549788), (10, 4274894), (13, 3288380), (20, 2137447), (26, 1644190), (52, 822095), (65, 657676), (130, 328838), (260, 164419)]