5438840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:332

約数の個数: 64

約数和(自身を含む): 13685760

約数和(自身を除く): 8246920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 263, 376, 440, 470, 517, 526, 940, 1034, 1052, 1315, 1880, 2068, 2104, 2585, 2630, 2893, 4136, 5170, 5260, 5786, 10340, 10520, 11572, 12361, 14465, 20680, 23144, 24722, 28930, 49444, 57860, 61805, 98888, 115720, 123610, 135971, 247220, 271942, 494440, 543884, 679855, 1087768, 1359710, 2719420, 5438840]

約数ペア:

[(1, 5438840), (2, 2719420), (4, 1359710), (5, 1087768), (8, 679855), (10, 543884), (11, 494440), (20, 271942), (22, 247220), (40, 135971), (44, 123610), (47, 115720), (55, 98888), (88, 61805), (94, 57860), (110, 49444), (188, 28930), (220, 24722), (235, 23144), (263, 20680), (376, 14465), (440, 12361), (470, 11572), (517, 10520), (526, 10340), (940, 5786), (1034, 5260), (1052, 5170), (1315, 4136), (1880, 2893), (2068, 2630), (2104, 2585)]