71791025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{421}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 94190400

約数和(自身を除く): 22399375

約数列:

[1, 5, 19, 25, 95, 359, 421, 475, 1795, 2105, 6821, 7999, 8975, 10525, 34105, 39995, 151139, 170525, 199975, 755695, 2871641, 3778475, 14358205, 71791025]

約数ペア:

[(1, 71791025), (5, 14358205), (19, 3778475), (25, 2871641), (95, 755695), (359, 199975), (421, 170525), (475, 151139), (1795, 39995), (2105, 34105), (6821, 10525), (7999, 8975)]