2558385650

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{7949}}^1$

素因数の和:8159

約数の個数: 48

約数和(自身を含む): 4906326600

約数和(自身を除く): 2347940950

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 157, 205, 314, 410, 785, 1025, 1570, 2050, 3925, 6437, 7850, 7949, 12874, 15898, 32185, 39745, 64370, 79490, 160925, 198725, 321850, 325909, 397450, 651818, 1247993, 1629545, 2495986, 3259090, 6239965, 8147725, 12479930, 16295450, 31199825, 51167713, 62399650, 102335426, 255838565, 511677130, 1279192825, 2558385650]

約数ペア:

[(1, 2558385650), (2, 1279192825), (5, 511677130), (10, 255838565), (25, 102335426), (41, 62399650), (50, 51167713), (82, 31199825), (157, 16295450), (205, 12479930), (314, 8147725), (410, 6239965), (785, 3259090), (1025, 2495986), (1570, 1629545), (2050, 1247993), (3925, 651818), (6437, 397450), (7850, 325909), (7949, 321850), (12874, 198725), (15898, 160925), (32185, 79490), (39745, 64370)]