129384580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{497633}}^1$

素因数の和:497655

約数の個数: 24

約数和(自身を含む): 292608792

約数和(自身を除く): 163224212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 497633, 995266, 1990532, 2488165, 4976330, 6469229, 9952660, 12938458, 25876916, 32346145, 64692290, 129384580]

約数ペア:

[(1, 129384580), (2, 64692290), (4, 32346145), (5, 25876916), (10, 12938458), (13, 9952660), (20, 6469229), (26, 4976330), (52, 2488165), (65, 1990532), (130, 995266), (260, 497633)]