128194025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{2819}}^1$

素因数の和:2953

約数の個数: 24

約数和(自身を含む): 169944480

約数和(自身を除く): 41750455

約数列:

[1, 5, 17, 25, 85, 107, 425, 535, 1819, 2675, 2819, 9095, 14095, 45475, 47923, 70475, 239615, 301633, 1198075, 1508165, 5127761, 7540825, 25638805, 128194025]

約数ペア:

[(1, 128194025), (5, 25638805), (17, 7540825), (25, 5127761), (85, 1508165), (107, 1198075), (425, 301633), (535, 239615), (1819, 70475), (2675, 47923), (2819, 45475), (9095, 14095)]