25690145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{347}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 35779968

約数和(自身を除く): 10089823

約数列:

[1, 5, 13, 17, 65, 67, 85, 221, 335, 347, 871, 1105, 1139, 1735, 4355, 4511, 5695, 5899, 14807, 22555, 23249, 29495, 74035, 76687, 116245, 302237, 383435, 395233, 1511185, 1976165, 5138029, 25690145]

約数ペア:

[(1, 25690145), (5, 5138029), (13, 1976165), (17, 1511185), (65, 395233), (67, 383435), (85, 302237), (221, 116245), (335, 76687), (347, 74035), (871, 29495), (1105, 23249), (1139, 22555), (1735, 14807), (4355, 5899), (4511, 5695)]