80431825

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1549}}^1$

素因数の和:1657

約数の個数: 24

約数和(自身を含む): 104556800

約数和(自身を除く): 24124975

約数列:

[1, 5, 25, 31, 67, 155, 335, 775, 1549, 1675, 2077, 7745, 10385, 38725, 48019, 51925, 103783, 240095, 518915, 1200475, 2594575, 3217273, 16086365, 80431825]

約数ペア:

[(1, 80431825), (5, 16086365), (25, 3217273), (31, 2594575), (67, 1200475), (155, 518915), (335, 240095), (775, 103783), (1549, 51925), (1675, 48019), (2077, 38725), (7745, 10385)]