28621580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{110083}}^1$

素因数の和:110105

約数の個数: 24

約数和(自身を含む): 64729392

約数和(自身を除く): 36107812

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 110083, 220166, 440332, 550415, 1100830, 1431079, 2201660, 2862158, 5724316, 7155395, 14310790, 28621580]

約数ペア:

[(1, 28621580), (2, 14310790), (4, 7155395), (5, 5724316), (10, 2862158), (13, 2201660), (20, 1431079), (26, 1100830), (52, 550415), (65, 440332), (130, 220166), (260, 110083)]