12647800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{5749}}^1$

素因数の和:5776

約数の個数: 48

約数和(自身を含む): 32085000

約数和(自身を除く): 19437200

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, 5749, 11498, 22996, 28745, 45992, 57490, 63239, 114980, 126478, 143725, 229960, 252956, 287450, 316195, 505912, 574900, 632390, 1149800, 1264780, 1580975, 2529560, 3161950, 6323900, 12647800]

約数ペア:

[(1, 12647800), (2, 6323900), (4, 3161950), (5, 2529560), (8, 1580975), (10, 1264780), (11, 1149800), (20, 632390), (22, 574900), (25, 505912), (40, 316195), (44, 287450), (50, 252956), (55, 229960), (88, 143725), (100, 126478), (110, 114980), (200, 63239), (220, 57490), (275, 45992), (440, 28745), (550, 22996), (1100, 11498), (2200, 5749)]