2642720

素因数分解:

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

素因数の和:297

約数の個数: 48

約数和(自身を含む): 6350400

約数和(自身を除く): 3707680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 199, 332, 398, 415, 664, 796, 830, 995, 1328, 1592, 1660, 1990, 2656, 3184, 3320, 3980, 6368, 6640, 7960, 13280, 15920, 16517, 31840, 33034, 66068, 82585, 132136, 165170, 264272, 330340, 528544, 660680, 1321360, 2642720]

約数ペア:

[(1, 2642720), (2, 1321360), (4, 660680), (5, 528544), (8, 330340), (10, 264272), (16, 165170), (20, 132136), (32, 82585), (40, 66068), (80, 33034), (83, 31840), (160, 16517), (166, 15920), (199, 13280), (332, 7960), (398, 6640), (415, 6368), (664, 3980), (796, 3320), (830, 3184), (995, 2656), (1328, 1990), (1592, 1660)]