85840775

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{353}}^1$

素因数の和:571

約数の個数: 24

約数和(自身を含む): 109037664

約数和(自身を除く): 23196889

約数列:

[1, 5, 25, 71, 137, 353, 355, 685, 1765, 1775, 3425, 8825, 9727, 25063, 48361, 48635, 125315, 241805, 243175, 626575, 1209025, 3433631, 17168155, 85840775]

約数ペア:

[(1, 85840775), (5, 17168155), (25, 3433631), (71, 1209025), (137, 626575), (353, 243175), (355, 241805), (685, 125315), (1765, 48635), (1775, 48361), (3425, 25063), (8825, 9727)]