40469780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155653}}^1$

素因数の和:155675

約数の個数: 24

約数和(自身を含む): 91524552

約数和(自身を除く): 51054772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 155653, 311306, 622612, 778265, 1556530, 2023489, 3113060, 4046978, 8093956, 10117445, 20234890, 40469780]

約数ペア:

[(1, 40469780), (2, 20234890), (4, 10117445), (5, 8093956), (10, 4046978), (13, 3113060), (20, 2023489), (26, 1556530), (52, 778265), (65, 622612), (130, 311306), (260, 155653)]