29982940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{115319}}^1$

素因数の和:115341

約数の個数: 24

約数和(自身を含む): 67808160

約数和(自身を除く): 37825220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 115319, 230638, 461276, 576595, 1153190, 1499147, 2306380, 2998294, 5996588, 7495735, 14991470, 29982940]

約数ペア:

[(1, 29982940), (2, 14991470), (4, 7495735), (5, 5996588), (10, 2998294), (13, 2306380), (20, 1499147), (26, 1153190), (52, 576595), (65, 461276), (130, 230638), (260, 115319)]