54781025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2309}}^1$

素因数の和:2405

約数の個数: 24

約数和(自身を含む): 74187960

約数和(自身を除く): 19406935

約数列:

[1, 5, 13, 25, 65, 73, 325, 365, 949, 1825, 2309, 4745, 11545, 23725, 30017, 57725, 150085, 168557, 750425, 842785, 2191241, 4213925, 10956205, 54781025]

約数ペア:

[(1, 54781025), (5, 10956205), (13, 4213925), (25, 2191241), (65, 842785), (73, 750425), (325, 168557), (365, 150085), (949, 57725), (1825, 30017), (2309, 23725), (4745, 11545)]