40439048

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{388837}}^1$

素因数の和:388856

約数の個数: 16

約数和(自身を含む): 81655980

約数和(自身を除く): 41216932

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 388837, 777674, 1555348, 3110696, 5054881, 10109762, 20219524, 40439048]

約数ペア:

[(1, 40439048), (2, 20219524), (4, 10109762), (8, 5054881), (13, 3110696), (26, 1555348), (52, 777674), (104, 388837)]