19323125

素因数分解:

$5^4\times {\mathrm{43}}^1\times {\mathrm{719}}^1$

素因数の和:782

約数の個数: 20

約数和(自身を含む): 24742080

約数和(自身を除く): 5418955

約数列:

[1, 5, 25, 43, 125, 215, 625, 719, 1075, 3595, 5375, 17975, 26875, 30917, 89875, 154585, 449375, 772925, 3864625, 19323125]

約数ペア:

[(1, 19323125), (5, 3864625), (25, 772925), (43, 449375), (125, 154585), (215, 89875), (625, 30917), (719, 26875), (1075, 17975), (3595, 5375)]