4284880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2819}}^1$

素因数の和:2851

約数の個数: 40

約数和(自身を含む): 10490400

約数和(自身を除く): 6205520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 2819, 5638, 11276, 14095, 22552, 28190, 45104, 53561, 56380, 107122, 112760, 214244, 225520, 267805, 428488, 535610, 856976, 1071220, 2142440, 4284880]

約数ペア:

[(1, 4284880), (2, 2142440), (4, 1071220), (5, 856976), (8, 535610), (10, 428488), (16, 267805), (19, 225520), (20, 214244), (38, 112760), (40, 107122), (76, 56380), (80, 53561), (95, 45104), (152, 28190), (190, 22552), (304, 14095), (380, 11276), (760, 5638), (1520, 2819)]