13046440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 32400000

約数和(自身を除く): 19353560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 149, 199, 220, 298, 398, 440, 596, 745, 796, 995, 1192, 1490, 1592, 1639, 1990, 2189, 2980, 3278, 3980, 4378, 5960, 6556, 7960, 8195, 8756, 10945, 13112, 16390, 17512, 21890, 29651, 32780, 43780, 59302, 65560, 87560, 118604, 148255, 237208, 296510, 326161, 593020, 652322, 1186040, 1304644, 1630805, 2609288, 3261610, 6523220, 13046440]

約数ペア:

[(1, 13046440), (2, 6523220), (4, 3261610), (5, 2609288), (8, 1630805), (10, 1304644), (11, 1186040), (20, 652322), (22, 593020), (40, 326161), (44, 296510), (55, 237208), (88, 148255), (110, 118604), (149, 87560), (199, 65560), (220, 59302), (298, 43780), (398, 32780), (440, 29651), (596, 21890), (745, 17512), (796, 16390), (995, 13112), (1192, 10945), (1490, 8756), (1592, 8195), (1639, 7960), (1990, 6556), (2189, 5960), (2980, 4378), (3278, 3980)]