54409940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{209269}}^1$

素因数の和:209291

約数の個数: 24

約数和(自身を含む): 123050760

約数和(自身を除く): 68640820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 209269, 418538, 837076, 1046345, 2092690, 2720497, 4185380, 5440994, 10881988, 13602485, 27204970, 54409940]

約数ペア:

[(1, 54409940), (2, 27204970), (4, 13602485), (5, 10881988), (10, 5440994), (13, 4185380), (20, 2720497), (26, 2092690), (52, 1046345), (65, 837076), (130, 418538), (260, 209269)]