49211875

素因数分解:

$5^4\times {\mathrm{71}}^1\times {\mathrm{1109}}^1$

素因数の和:1200

約数の個数: 20

約数和(自身を含む): 62417520

約数和(自身を除く): 13205645

約数列:

[1, 5, 25, 71, 125, 355, 625, 1109, 1775, 5545, 8875, 27725, 44375, 78739, 138625, 393695, 693125, 1968475, 9842375, 49211875]

約数ペア:

[(1, 49211875), (5, 9842375), (25, 1968475), (71, 693125), (125, 393695), (355, 138625), (625, 78739), (1109, 44375), (1775, 27725), (5545, 8875)]