28113850

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{103}}^2$

素因数の和:271

約数の個数: 36

約数和(自身を含む): 53800686

約数和(自身を除く): 25686836

約数列:

[1, 2, 5, 10, 25, 50, 53, 103, 106, 206, 265, 515, 530, 1030, 1325, 2575, 2650, 5150, 5459, 10609, 10918, 21218, 27295, 53045, 54590, 106090, 136475, 265225, 272950, 530450, 562277, 1124554, 2811385, 5622770, 14056925, 28113850]

約数ペア:

[(1, 28113850), (2, 14056925), (5, 5622770), (10, 2811385), (25, 1124554), (50, 562277), (53, 530450), (103, 272950), (106, 265225), (206, 136475), (265, 106090), (515, 54590), (530, 53045), (1030, 27295), (1325, 21218), (2575, 10918), (2650, 10609), (5150, 5459)]