47880625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:187

約数の個数: 40

約数和(自身を含む): 66128832

約数和(自身を除く): 18248207

約数列:

[1, 5, 13, 25, 65, 71, 83, 125, 325, 355, 415, 625, 923, 1079, 1625, 1775, 2075, 4615, 5395, 5893, 8125, 8875, 10375, 23075, 26975, 29465, 44375, 51875, 76609, 115375, 134875, 147325, 383045, 576875, 674375, 736625, 1915225, 3683125, 9576125, 47880625]

約数ペア:

[(1, 47880625), (5, 9576125), (13, 3683125), (25, 1915225), (65, 736625), (71, 674375), (83, 576875), (125, 383045), (325, 147325), (355, 134875), (415, 115375), (625, 76609), (923, 51875), (1079, 44375), (1625, 29465), (1775, 26975), (2075, 23075), (4615, 10375), (5395, 8875), (5893, 8125)]