201766025

素因数分解:

$5^2\times {\mathrm{71}}^2\times {\mathrm{1601}}^1$

素因数の和:1753

約数の個数: 18

約数和(自身を含む): 253921806

約数和(自身を除く): 52155781

約数列:

[1, 5, 25, 71, 355, 1601, 1775, 5041, 8005, 25205, 40025, 113671, 126025, 568355, 2841775, 8070641, 40353205, 201766025]

約数ペア:

[(1, 201766025), (5, 40353205), (25, 8070641), (71, 2841775), (355, 568355), (1601, 126025), (1775, 113671), (5041, 40025), (8005, 25205)]