28055500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{5101}}^1$

素因数の和:5131

約数の個数: 48

約数和(自身を含む): 66856608

約数和(自身を除く): 38801108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 1100, 1375, 2750, 5101, 5500, 10202, 20404, 25505, 51010, 56111, 102020, 112222, 127525, 224444, 255050, 280555, 510100, 561110, 637625, 1122220, 1275250, 1402775, 2550500, 2805550, 5611100, 7013875, 14027750, 28055500]

約数ペア:

[(1, 28055500), (2, 14027750), (4, 7013875), (5, 5611100), (10, 2805550), (11, 2550500), (20, 1402775), (22, 1275250), (25, 1122220), (44, 637625), (50, 561110), (55, 510100), (100, 280555), (110, 255050), (125, 224444), (220, 127525), (250, 112222), (275, 102020), (500, 56111), (550, 51010), (1100, 25505), (1375, 20404), (2750, 10202), (5101, 5500)]