2021569940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7775269}}^1$

素因数の和:7775291

約数の個数: 24

約数和(自身を含む): 4571858760

約数和(自身を除く): 2550288820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7775269, 15550538, 31101076, 38876345, 77752690, 101078497, 155505380, 202156994, 404313988, 505392485, 1010784970, 2021569940]

約数ペア:

[(1, 2021569940), (2, 1010784970), (4, 505392485), (5, 404313988), (10, 202156994), (13, 155505380), (20, 101078497), (26, 77752690), (52, 38876345), (65, 31101076), (130, 15550538), (260, 7775269)]