2051216675

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{19429}}^1$

素因数の和:19583

約数の個数: 24

約数和(自身を含む): 2630977440

約数和(自身を除く): 579760765

約数列:

[1, 5, 25, 41, 103, 205, 515, 1025, 2575, 4223, 19429, 21115, 97145, 105575, 485725, 796589, 2001187, 3982945, 10005935, 19914725, 50029675, 82048667, 410243335, 2051216675]

約数ペア:

[(1, 2051216675), (5, 410243335), (25, 82048667), (41, 50029675), (103, 19914725), (205, 10005935), (515, 3982945), (1025, 2001187), (2575, 796589), (4223, 485725), (19429, 105575), (21115, 97145)]