68838125

素因数分解:

$5^4\times {\mathrm{83}}^1\times {\mathrm{1327}}^1$

素因数の和:1430

約数の個数: 20

約数和(自身を含む): 87122112

約数和(自身を除く): 18283987

約数列:

[1, 5, 25, 83, 125, 415, 625, 1327, 2075, 6635, 10375, 33175, 51875, 110141, 165875, 550705, 829375, 2753525, 13767625, 68838125]

約数ペア:

[(1, 68838125), (5, 13767625), (25, 2753525), (83, 829375), (125, 550705), (415, 165875), (625, 110141), (1327, 51875), (2075, 33175), (6635, 10375)]