138659300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{106661}}^1$

素因数の和:106688

約数の個数: 36

約数和(自身を含む): 324039156

約数和(自身を除く): 185379856

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 106661, 213322, 426644, 533305, 1066610, 1386593, 2133220, 2666525, 2773186, 5333050, 5546372, 6932965, 10666100, 13865930, 27731860, 34664825, 69329650, 138659300]

約数ペア:

[(1, 138659300), (2, 69329650), (4, 34664825), (5, 27731860), (10, 13865930), (13, 10666100), (20, 6932965), (25, 5546372), (26, 5333050), (50, 2773186), (52, 2666525), (65, 2133220), (100, 1386593), (130, 1066610), (260, 533305), (325, 426644), (650, 213322), (1300, 106661)]