80428875

素因数分解:

$3^1\times 5^3\times {\mathrm{139}}^1\times {\mathrm{1543}}^1$

素因数の和:1700

約数の個数: 32

約数和(自身を含む): 134883840

約数和(自身を除く): 54454965

約数列:

[1, 3, 5, 15, 25, 75, 125, 139, 375, 417, 695, 1543, 2085, 3475, 4629, 7715, 10425, 17375, 23145, 38575, 52125, 115725, 192875, 214477, 578625, 643431, 1072385, 3217155, 5361925, 16085775, 26809625, 80428875]

約数ペア:

[(1, 80428875), (3, 26809625), (5, 16085775), (15, 5361925), (25, 3217155), (75, 1072385), (125, 643431), (139, 578625), (375, 214477), (417, 192875), (695, 115725), (1543, 52125), (2085, 38575), (3475, 23145), (4629, 17375), (7715, 10425)]