87381475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2591}}^1$

素因数の和:2691

約数の個数: 24

約数和(自身を含む): 115706880

約数和(自身を除く): 28325405

約数列:

[1, 5, 19, 25, 71, 95, 355, 475, 1349, 1775, 2591, 6745, 12955, 33725, 49229, 64775, 183961, 246145, 919805, 1230725, 3495259, 4599025, 17476295, 87381475]

約数ペア:

[(1, 87381475), (5, 17476295), (19, 4599025), (25, 3495259), (71, 1230725), (95, 919805), (355, 246145), (475, 183961), (1349, 64775), (1775, 49229), (2591, 33725), (6745, 12955)]