39849940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153269}}^1$

素因数の和:153291

約数の個数: 24

約数和(自身を含む): 90122760

約数和(自身を除く): 50272820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 153269, 306538, 613076, 766345, 1532690, 1992497, 3065380, 3984994, 7969988, 9962485, 19924970, 39849940]

約数ペア:

[(1, 39849940), (2, 19924970), (4, 9962485), (5, 7969988), (10, 3984994), (13, 3065380), (20, 1992497), (26, 1532690), (52, 766345), (65, 613076), (130, 306538), (260, 153269)]