4028567140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{159737}}^1$

素因数の和:159856

約数の個数: 48

約数和(自身を含む): 9204742512

約数和(自身を除く): 5176175372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 970, 1261, 1940, 2522, 5044, 6305, 12610, 25220, 159737, 319474, 638948, 798685, 1597370, 2076581, 3194740, 4153162, 8306324, 10382905, 15494489, 20765810, 30988978, 41531620, 61977956, 77472445, 154944890, 201428357, 309889780, 402856714, 805713428, 1007141785, 2014283570, 4028567140]

約数ペア:

[(1, 4028567140), (2, 2014283570), (4, 1007141785), (5, 805713428), (10, 402856714), (13, 309889780), (20, 201428357), (26, 154944890), (52, 77472445), (65, 61977956), (97, 41531620), (130, 30988978), (194, 20765810), (260, 15494489), (388, 10382905), (485, 8306324), (970, 4153162), (1261, 3194740), (1940, 2076581), (2522, 1597370), (5044, 798685), (6305, 638948), (12610, 319474), (25220, 159737)]