28797520

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2011}}^1$

素因数の和:2203

約数の個数: 40

約数和(自身を含む): 67361760

約数和(自身を除く): 38564240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1432, 1790, 2011, 2864, 3580, 4022, 7160, 8044, 10055, 14320, 16088, 20110, 32176, 40220, 80440, 160880, 359969, 719938, 1439876, 1799845, 2879752, 3599690, 5759504, 7199380, 14398760, 28797520]

約数ペア:

[(1, 28797520), (2, 14398760), (4, 7199380), (5, 5759504), (8, 3599690), (10, 2879752), (16, 1799845), (20, 1439876), (40, 719938), (80, 359969), (179, 160880), (358, 80440), (716, 40220), (895, 32176), (1432, 20110), (1790, 16088), (2011, 14320), (2864, 10055), (3580, 8044), (4022, 7160)]