78050180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{300193}}^1$

素因数の和:300215

約数の個数: 24

約数和(自身を含む): 176514072

約数和(自身を除く): 98463892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 300193, 600386, 1200772, 1500965, 3001930, 3902509, 6003860, 7805018, 15610036, 19512545, 39025090, 78050180]

約数ペア:

[(1, 78050180), (2, 39025090), (4, 19512545), (5, 15610036), (10, 7805018), (13, 6003860), (20, 3902509), (26, 3001930), (52, 1500965), (65, 1200772), (130, 600386), (260, 300193)]