1275369940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4905269}}^1$

素因数の和:4905291

約数の個数: 24

約数和(自身を含む): 2884298760

約数和(自身を除く): 1608928820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 4905269, 9810538, 19621076, 24526345, 49052690, 63768497, 98105380, 127536994, 255073988, 318842485, 637684970, 1275369940]

約数ペア:

[(1, 1275369940), (2, 637684970), (4, 318842485), (5, 255073988), (10, 127536994), (13, 98105380), (20, 63768497), (26, 49052690), (52, 24526345), (65, 19621076), (130, 9810538), (260, 4905269)]