131020045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{4139}}^1$

素因数の和:4644

約数の個数: 16

約数和(自身を含む): 169706880

約数和(自身を除く): 38686835

約数列:

[1, 5, 13, 65, 487, 2435, 4139, 6331, 20695, 31655, 53807, 269035, 2015693, 10078465, 26204009, 131020045]

約数ペア:

[(1, 131020045), (5, 26204009), (13, 10078465), (65, 2015693), (487, 269035), (2435, 53807), (4139, 31655), (6331, 20695)]