1988900005

素因数分解:

$5^1\times {\mathrm{113}}^1\times {\mathrm{863}}^1\times {\mathrm{4079}}^1$

素因数の和:5060

約数の個数: 16

約数和(自身を含む): 2411182080

約数和(自身を除く): 422282075

約数列:

[1, 5, 113, 565, 863, 4079, 4315, 20395, 97519, 460927, 487595, 2304635, 3520177, 17600885, 397780001, 1988900005]

約数ペア:

[(1, 1988900005), (5, 397780001), (113, 17600885), (565, 3520177), (863, 2304635), (4079, 487595), (4315, 460927), (20395, 97519)]