260994620

素因数分解:

$2^2\times 5^1\times {\mathrm{2789}}^1\times {\mathrm{4679}}^1$

素因数の和:7477

約数の個数: 24

約数和(自身を含む): 548402400

約数和(自身を除く): 287407780

約数列:

[1, 2, 4, 5, 10, 20, 2789, 4679, 5578, 9358, 11156, 13945, 18716, 23395, 27890, 46790, 55780, 93580, 13049731, 26099462, 52198924, 65248655, 130497310, 260994620]

約数ペア:

[(1, 260994620), (2, 130497310), (4, 65248655), (5, 52198924), (10, 26099462), (20, 13049731), (2789, 93580), (4679, 55780), (5578, 46790), (9358, 27890), (11156, 23395), (13945, 18716)]