28217860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2729}}^1$

素因数の和:2796

約数の個数: 48

約数和(自身を含む): 66044160

約数和(自身を除く): 37826300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 2729, 5170, 5458, 10340, 10916, 13645, 27290, 30019, 54580, 60038, 120076, 128263, 150095, 256526, 300190, 513052, 600380, 641315, 1282630, 1410893, 2565260, 2821786, 5643572, 7054465, 14108930, 28217860]

約数ペア:

[(1, 28217860), (2, 14108930), (4, 7054465), (5, 5643572), (10, 2821786), (11, 2565260), (20, 1410893), (22, 1282630), (44, 641315), (47, 600380), (55, 513052), (94, 300190), (110, 256526), (188, 150095), (220, 128263), (235, 120076), (470, 60038), (517, 54580), (940, 30019), (1034, 27290), (2068, 13645), (2585, 10916), (2729, 10340), (5170, 5458)]