28355800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{12889}}^1$

素因数の和:12916

約数の個数: 48

約数和(自身を含む): 71926200

約数和(自身を除く): 43570400

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, 12889, 25778, 51556, 64445, 103112, 128890, 141779, 257780, 283558, 322225, 515560, 567116, 644450, 708895, 1134232, 1288900, 1417790, 2577800, 2835580, 3544475, 5671160, 7088950, 14177900, 28355800]

約数ペア:

[(1, 28355800), (2, 14177900), (4, 7088950), (5, 5671160), (8, 3544475), (10, 2835580), (11, 2577800), (20, 1417790), (22, 1288900), (25, 1134232), (40, 708895), (44, 644450), (50, 567116), (55, 515560), (88, 322225), (100, 283558), (110, 257780), (200, 141779), (220, 128890), (275, 103112), (440, 64445), (550, 51556), (1100, 25778), (2200, 12889)]