38867140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149489}}^1$

素因数の和:149511

約数の個数: 24

約数和(自身を含む): 87900120

約数和(自身を除く): 49032980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 149489, 298978, 597956, 747445, 1494890, 1943357, 2989780, 3886714, 7773428, 9716785, 19433570, 38867140]

約数ペア:

[(1, 38867140), (2, 19433570), (4, 9716785), (5, 7773428), (10, 3886714), (13, 2989780), (20, 1943357), (26, 1494890), (52, 747445), (65, 597956), (130, 298978), (260, 149489)]