28350520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64433}}^1$

素因数の和:64455

約数の個数: 32

約数和(自身を含む): 69588720

約数和(自身を除く): 41238200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 64433, 128866, 257732, 322165, 515464, 644330, 708763, 1288660, 1417526, 2577320, 2835052, 3543815, 5670104, 7087630, 14175260, 28350520]

約数ペア:

[(1, 28350520), (2, 14175260), (4, 7087630), (5, 5670104), (8, 3543815), (10, 2835052), (11, 2577320), (20, 1417526), (22, 1288660), (40, 708763), (44, 644330), (55, 515464), (88, 322165), (110, 257732), (220, 128866), (440, 64433)]