131440775

素因数分解:

$5^2\times {\mathrm{31}}^2\times {\mathrm{5471}}^1$

素因数の和:5543

約数の個数: 18

約数和(自身を含む): 168444576

約数和(自身を除く): 37003801

約数列:

[1, 5, 25, 31, 155, 775, 961, 4805, 5471, 24025, 27355, 136775, 169601, 848005, 4240025, 5257631, 26288155, 131440775]

約数ペア:

[(1, 131440775), (5, 26288155), (25, 5257631), (31, 4240025), (155, 848005), (775, 169601), (961, 136775), (4805, 27355), (5471, 24025)]