12930875

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 32

約数和(自身を含む): 17252352

約数和(自身を除く): 4321477

約数列:

[1, 5, 25, 31, 47, 71, 125, 155, 235, 355, 775, 1175, 1457, 1775, 2201, 3337, 3875, 5875, 7285, 8875, 11005, 16685, 36425, 55025, 83425, 103447, 182125, 275125, 417125, 517235, 2586175, 12930875]

約数ペア:

[(1, 12930875), (5, 2586175), (25, 517235), (31, 417125), (47, 275125), (71, 182125), (125, 103447), (155, 83425), (235, 55025), (355, 36425), (775, 16685), (1175, 11005), (1457, 8875), (1775, 7285), (2201, 5875), (3337, 3875)]