55871720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 130014720

約数和(自身を除く): 74143000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 113, 188, 226, 235, 263, 376, 452, 470, 526, 565, 904, 940, 1052, 1130, 1315, 1880, 2104, 2260, 2630, 4520, 5260, 5311, 10520, 10622, 12361, 21244, 24722, 26555, 29719, 42488, 49444, 53110, 59438, 61805, 98888, 106220, 118876, 123610, 148595, 212440, 237752, 247220, 297190, 494440, 594380, 1188760, 1396793, 2793586, 5587172, 6983965, 11174344, 13967930, 27935860, 55871720]

約数ペア:

[(1, 55871720), (2, 27935860), (4, 13967930), (5, 11174344), (8, 6983965), (10, 5587172), (20, 2793586), (40, 1396793), (47, 1188760), (94, 594380), (113, 494440), (188, 297190), (226, 247220), (235, 237752), (263, 212440), (376, 148595), (452, 123610), (470, 118876), (526, 106220), (565, 98888), (904, 61805), (940, 59438), (1052, 53110), (1130, 49444), (1315, 42488), (1880, 29719), (2104, 26555), (2260, 24722), (2630, 21244), (4520, 12361), (5260, 10622), (5311, 10520)]