42189940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{162269}}^1$

素因数の和:162291

約数の個数: 24

約数和(自身を含む): 95414760

約数和(自身を除く): 53224820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 162269, 324538, 649076, 811345, 1622690, 2109497, 3245380, 4218994, 8437988, 10547485, 21094970, 42189940]

約数ペア:

[(1, 42189940), (2, 21094970), (4, 10547485), (5, 8437988), (10, 4218994), (13, 3245380), (20, 2109497), (26, 1622690), (52, 811345), (65, 649076), (130, 324538), (260, 162269)]