12867800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{5849}}^1$

素因数の和:5876

約数の個数: 48

約数和(自身を含む): 32643000

約数和(自身を除く): 19775200

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, 5849, 11698, 23396, 29245, 46792, 58490, 64339, 116980, 128678, 146225, 233960, 257356, 292450, 321695, 514712, 584900, 643390, 1169800, 1286780, 1608475, 2573560, 3216950, 6433900, 12867800]

約数ペア:

[(1, 12867800), (2, 6433900), (4, 3216950), (5, 2573560), (8, 1608475), (10, 1286780), (11, 1169800), (20, 643390), (22, 584900), (25, 514712), (40, 321695), (44, 292450), (50, 257356), (55, 233960), (88, 146225), (100, 128678), (110, 116980), (200, 64339), (220, 58490), (275, 46792), (440, 29245), (550, 23396), (1100, 11698), (2200, 5849)]