55767280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1931}}^1$

素因数の和:1982

約数の個数: 60

約数和(自身を含む): 136913112

約数和(自身を除く): 81145832

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 1931, 2888, 3610, 3862, 5776, 7220, 7724, 9655, 14440, 15448, 19310, 28880, 30896, 36689, 38620, 73378, 77240, 146756, 154480, 183445, 293512, 366890, 587024, 697091, 733780, 1394182, 1467560, 2788364, 2935120, 3485455, 5576728, 6970910, 11153456, 13941820, 27883640, 55767280]

約数ペア:

[(1, 55767280), (2, 27883640), (4, 13941820), (5, 11153456), (8, 6970910), (10, 5576728), (16, 3485455), (19, 2935120), (20, 2788364), (38, 1467560), (40, 1394182), (76, 733780), (80, 697091), (95, 587024), (152, 366890), (190, 293512), (304, 183445), (361, 154480), (380, 146756), (722, 77240), (760, 73378), (1444, 38620), (1520, 36689), (1805, 30896), (1931, 28880), (2888, 19310), (3610, 15448), (3862, 14440), (5776, 9655), (7220, 7724)]