1321360

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:295

約数の個数: 40

約数和(自身を含む): 3124800

約数和(自身を除く): 1803440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 199, 332, 398, 415, 664, 796, 830, 995, 1328, 1592, 1660, 1990, 3184, 3320, 3980, 6640, 7960, 15920, 16517, 33034, 66068, 82585, 132136, 165170, 264272, 330340, 660680, 1321360]

約数ペア:

[(1, 1321360), (2, 660680), (4, 330340), (5, 264272), (8, 165170), (10, 132136), (16, 82585), (20, 66068), (40, 33034), (80, 16517), (83, 15920), (166, 7960), (199, 6640), (332, 3980), (398, 3320), (415, 3184), (664, 1990), (796, 1660), (830, 1592), (995, 1328)]