11222200

素因数分解:

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

素因数の和:5128

約数の個数: 48

約数和(自身を含む): 28469160

約数和(自身を除く): 17246960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 5101, 10202, 20404, 25505, 40808, 51010, 56111, 102020, 112222, 127525, 204040, 224444, 255050, 280555, 448888, 510100, 561110, 1020200, 1122220, 1402775, 2244440, 2805550, 5611100, 11222200]

約数ペア:

[(1, 11222200), (2, 5611100), (4, 2805550), (5, 2244440), (8, 1402775), (10, 1122220), (11, 1020200), (20, 561110), (22, 510100), (25, 448888), (40, 280555), (44, 255050), (50, 224444), (55, 204040), (88, 127525), (100, 112222), (110, 102020), (200, 56111), (220, 51010), (275, 40808), (440, 25505), (550, 20404), (1100, 10202), (2200, 5101)]