25684025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 33997824

約数和(自身を除く): 8313799

約数列:

[1, 5, 17, 25, 85, 223, 271, 425, 1115, 1355, 3791, 4607, 5575, 6775, 18955, 23035, 60433, 94775, 115175, 302165, 1027361, 1510825, 5136805, 25684025]

約数ペア:

[(1, 25684025), (5, 5136805), (17, 1510825), (25, 1027361), (85, 302165), (223, 115175), (271, 94775), (425, 60433), (1115, 23035), (1355, 18955), (3791, 6775), (4607, 5575)]