79386875

素因数分解:

$5^4\times {\mathrm{71}}^1\times {\mathrm{1789}}^1$

素因数の和:1880

約数の個数: 20

約数和(自身を含む): 100655280

約数和(自身を除く): 21268405

約数列:

[1, 5, 25, 71, 125, 355, 625, 1775, 1789, 8875, 8945, 44375, 44725, 127019, 223625, 635095, 1118125, 3175475, 15877375, 79386875]

約数ペア:

[(1, 79386875), (5, 15877375), (25, 3175475), (71, 1118125), (125, 635095), (355, 223625), (625, 127019), (1775, 44725), (1789, 44375), (8875, 8945)]