66707420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{256567}}^1$

素因数の和:256589

約数の個数: 24

約数和(自身を含む): 150861984

約数和(自身を除く): 84154564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 256567, 513134, 1026268, 1282835, 2565670, 3335371, 5131340, 6670742, 13341484, 16676855, 33353710, 66707420]

約数ペア:

[(1, 66707420), (2, 33353710), (4, 16676855), (5, 13341484), (10, 6670742), (13, 5131340), (20, 3335371), (26, 2565670), (52, 1282835), (65, 1026268), (130, 513134), (260, 256567)]