72688025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1321}}^1$

素因数の和:1433

約数の個数: 24

約数和(自身を含む): 94422528

約数和(自身を除く): 21734503

約数列:

[1, 5, 25, 31, 71, 155, 355, 775, 1321, 1775, 2201, 6605, 11005, 33025, 40951, 55025, 93791, 204755, 468955, 1023775, 2344775, 2907521, 14537605, 72688025]

約数ペア:

[(1, 72688025), (5, 14537605), (25, 2907521), (31, 2344775), (71, 1023775), (155, 468955), (355, 204755), (775, 93791), (1321, 55025), (1775, 40951), (2201, 33025), (6605, 11005)]