138892780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{534203}}^1$

素因数の和:534225

約数の個数: 24

約数和(自身を含む): 314111952

約数和(自身を除く): 175219172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 534203, 1068406, 2136812, 2671015, 5342030, 6944639, 10684060, 13889278, 27778556, 34723195, 69446390, 138892780]

約数ペア:

[(1, 138892780), (2, 69446390), (4, 34723195), (5, 27778556), (10, 13889278), (13, 10684060), (20, 6944639), (26, 5342030), (52, 2671015), (65, 2136812), (130, 1068406), (260, 534203)]