123786875

素因数分解:

$5^4\times {\mathrm{31}}^1\times {\mathrm{6389}}^1$

素因数の和:6440

約数の個数: 20

約数和(自身を含む): 159698880

約数和(自身を除く): 35912005

約数列:

[1, 5, 25, 31, 125, 155, 625, 775, 3875, 6389, 19375, 31945, 159725, 198059, 798625, 990295, 3993125, 4951475, 24757375, 123786875]

約数ペア:

[(1, 123786875), (5, 24757375), (25, 4951475), (31, 3993125), (125, 990295), (155, 798625), (625, 198059), (775, 159725), (3875, 31945), (6389, 19375)]