68392220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263047}}^1$

素因数の和:263069

約数の個数: 24

約数和(自身を含む): 154672224

約数和(自身を除く): 86280004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 263047, 526094, 1052188, 1315235, 2630470, 3419611, 5260940, 6839222, 13678444, 17098055, 34196110, 68392220]

約数ペア:

[(1, 68392220), (2, 34196110), (4, 17098055), (5, 13678444), (10, 6839222), (13, 5260940), (20, 3419611), (26, 2630470), (52, 1315235), (65, 1052188), (130, 526094), (260, 263047)]