2021027425

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{8311}}^1$

素因数の和:8529

約数の個数: 24

約数和(自身を含む): 2560228992

約数和(自身を除く): 539201567

約数列:

[1, 5, 25, 71, 137, 355, 685, 1775, 3425, 8311, 9727, 41555, 48635, 207775, 243175, 590081, 1138607, 2950405, 5693035, 14752025, 28465175, 80841097, 404205485, 2021027425]

約数ペア:

[(1, 2021027425), (5, 404205485), (25, 80841097), (71, 28465175), (137, 14752025), (355, 5693035), (685, 2950405), (1775, 1138607), (3425, 590081), (8311, 243175), (9727, 207775), (41555, 48635)]