40728688

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2543}}^1$

素因数の和:2582

約数の個数: 80

約数和(自身を含む): 105993216

約数和(自身を除く): 65264528

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 286, 308, 364, 572, 616, 728, 1001, 1144, 1232, 1456, 2002, 2288, 2543, 4004, 5086, 8008, 10172, 16016, 17801, 20344, 27973, 33059, 35602, 40688, 55946, 66118, 71204, 111892, 132236, 142408, 195811, 223784, 231413, 264472, 284816, 363649, 391622, 447568, 462826, 528944, 727298, 783244, 925652, 1454596, 1566488, 1851304, 2545543, 2909192, 3132976, 3702608, 5091086, 5818384, 10182172, 20364344, 40728688]

約数ペア:

[(1, 40728688), (2, 20364344), (4, 10182172), (7, 5818384), (8, 5091086), (11, 3702608), (13, 3132976), (14, 2909192), (16, 2545543), (22, 1851304), (26, 1566488), (28, 1454596), (44, 925652), (52, 783244), (56, 727298), (77, 528944), (88, 462826), (91, 447568), (104, 391622), (112, 363649), (143, 284816), (154, 264472), (176, 231413), (182, 223784), (208, 195811), (286, 142408), (308, 132236), (364, 111892), (572, 71204), (616, 66118), (728, 55946), (1001, 40688), (1144, 35602), (1232, 33059), (1456, 27973), (2002, 20344), (2288, 17801), (2543, 16016), (4004, 10172), (5086, 8008)]