55681840

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:370

約数の個数: 80

約数和(自身を含む): 134991360

約数和(自身を除く): 79309520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 59, 80, 94, 118, 188, 235, 236, 251, 295, 376, 470, 472, 502, 590, 752, 940, 944, 1004, 1180, 1255, 1880, 2008, 2360, 2510, 2773, 3760, 4016, 4720, 5020, 5546, 10040, 11092, 11797, 13865, 14809, 20080, 22184, 23594, 27730, 29618, 44368, 47188, 55460, 58985, 59236, 74045, 94376, 110920, 117970, 118472, 148090, 188752, 221840, 235940, 236944, 296180, 471880, 592360, 696023, 943760, 1184720, 1392046, 2784092, 3480115, 5568184, 6960230, 11136368, 13920460, 27840920, 55681840]

約数ペア:

[(1, 55681840), (2, 27840920), (4, 13920460), (5, 11136368), (8, 6960230), (10, 5568184), (16, 3480115), (20, 2784092), (40, 1392046), (47, 1184720), (59, 943760), (80, 696023), (94, 592360), (118, 471880), (188, 296180), (235, 236944), (236, 235940), (251, 221840), (295, 188752), (376, 148090), (470, 118472), (472, 117970), (502, 110920), (590, 94376), (752, 74045), (940, 59236), (944, 58985), (1004, 55460), (1180, 47188), (1255, 44368), (1880, 29618), (2008, 27730), (2360, 23594), (2510, 22184), (2773, 20080), (3760, 14809), (4016, 13865), (4720, 11797), (5020, 11092), (5546, 10040)]