28159300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21661}}^1$

素因数の和:21688

約数の個数: 36

約数和(自身を含む): 65809156

約数和(自身を除く): 37649856

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 21661, 43322, 86644, 108305, 216610, 281593, 433220, 541525, 563186, 1083050, 1126372, 1407965, 2166100, 2815930, 5631860, 7039825, 14079650, 28159300]

約数ペア:

[(1, 28159300), (2, 14079650), (4, 7039825), (5, 5631860), (10, 2815930), (13, 2166100), (20, 1407965), (25, 1126372), (26, 1083050), (50, 563186), (52, 541525), (65, 433220), (100, 281593), (130, 216610), (260, 108305), (325, 86644), (650, 43322), (1300, 21661)]