3960025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 5249664

約数和(自身を除く): 1289639

約数列:

[1, 5, 23, 25, 71, 97, 115, 355, 485, 575, 1633, 1775, 2231, 2425, 6887, 8165, 11155, 34435, 40825, 55775, 158401, 172175, 792005, 3960025]

約数ペア:

[(1, 3960025), (5, 792005), (23, 172175), (25, 158401), (71, 55775), (97, 40825), (115, 34435), (355, 11155), (485, 8165), (575, 6887), (1633, 2425), (1775, 2231)]