2643940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10169}}^1$

素因数の和:10191

約数の個数: 24

約数和(自身を含む): 5979960

約数和(自身を除く): 3336020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 10169, 20338, 40676, 50845, 101690, 132197, 203380, 264394, 528788, 660985, 1321970, 2643940]

約数ペア:

[(1, 2643940), (2, 1321970), (4, 660985), (5, 528788), (10, 264394), (13, 203380), (20, 132197), (26, 101690), (52, 50845), (65, 40676), (130, 20338), (260, 10169)]