80569025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2389}}^1$

素因数の和:2489

約数の個数: 24

約数和(自身を含む): 106689600

約数和(自身を除く): 26120575

約数列:

[1, 5, 19, 25, 71, 95, 355, 475, 1349, 1775, 2389, 6745, 11945, 33725, 45391, 59725, 169619, 226955, 848095, 1134775, 3222761, 4240475, 16113805, 80569025]

約数ペア:

[(1, 80569025), (5, 16113805), (19, 4240475), (25, 3222761), (71, 1134775), (95, 848095), (355, 226955), (475, 169619), (1349, 59725), (1775, 45391), (2389, 33725), (6745, 11945)]