2008488976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{5011}}^1$

素因数の和:5120

約数の個数: 80

約数和(自身を含む): 4385219328

約数和(自身を除く): 2376730352

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 47, 52, 82, 94, 104, 164, 188, 208, 328, 376, 533, 611, 656, 752, 1066, 1222, 1927, 2132, 2444, 3854, 4264, 4888, 5011, 7708, 8528, 9776, 10022, 15416, 20044, 25051, 30832, 40088, 50102, 65143, 80176, 100204, 130286, 200408, 205451, 235517, 260572, 400816, 410902, 471034, 521144, 821804, 942068, 1042288, 1643608, 1884136, 2670863, 3061721, 3287216, 3768272, 5341726, 6123442, 9656197, 10683452, 12246884, 19312394, 21366904, 24493768, 38624788, 42733808, 48987536, 77249576, 125530561, 154499152, 251061122, 502122244, 1004244488, 2008488976]

約数ペア:

[(1, 2008488976), (2, 1004244488), (4, 502122244), (8, 251061122), (13, 154499152), (16, 125530561), (26, 77249576), (41, 48987536), (47, 42733808), (52, 38624788), (82, 24493768), (94, 21366904), (104, 19312394), (164, 12246884), (188, 10683452), (208, 9656197), (328, 6123442), (376, 5341726), (533, 3768272), (611, 3287216), (656, 3061721), (752, 2670863), (1066, 1884136), (1222, 1643608), (1927, 1042288), (2132, 942068), (2444, 821804), (3854, 521144), (4264, 471034), (4888, 410902), (5011, 400816), (7708, 260572), (8528, 235517), (9776, 205451), (10022, 200408), (15416, 130286), (20044, 100204), (25051, 80176), (30832, 65143), (40088, 50102)]