72090005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{3919}}^1$

素因数の和:4220

約数の個数: 16

約数和(自身を含む): 93515520

約数和(自身を除く): 21425515

約数列:

[1, 5, 13, 65, 283, 1415, 3679, 3919, 18395, 19595, 50947, 254735, 1109077, 5545385, 14418001, 72090005]

約数ペア:

[(1, 72090005), (5, 14418001), (13, 5545385), (65, 1109077), (283, 254735), (1415, 50947), (3679, 19595), (3919, 18395)]