40742975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17909}}^1$

素因数の和:17939

約数の個数: 24

約数和(自身を含む): 62183520

約数和(自身を除く): 21440545

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 17909, 89545, 125363, 232817, 447725, 626815, 1164085, 1629719, 3134075, 5820425, 8148595, 40742975]

約数ペア:

[(1, 40742975), (5, 8148595), (7, 5820425), (13, 3134075), (25, 1629719), (35, 1164085), (65, 626815), (91, 447725), (175, 232817), (325, 125363), (455, 89545), (2275, 17909)]