28296775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1049}}^1$

素因数の和:1155

約数の個数: 24

約数和(自身を含む): 38278800

約数和(自身を除く): 9982025

約数列:

[1, 5, 13, 25, 65, 83, 325, 415, 1049, 1079, 2075, 5245, 5395, 13637, 26225, 26975, 68185, 87067, 340925, 435335, 1131871, 2176675, 5659355, 28296775]

約数ペア:

[(1, 28296775), (5, 5659355), (13, 2176675), (25, 1131871), (65, 435335), (83, 340925), (325, 87067), (415, 68185), (1049, 26975), (1079, 26225), (2075, 13637), (5245, 5395)]