2912821720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1693501}}^1$

素因数の和:1693555

約数の個数: 32

約数和(自身を含む): 6706267920

約数和(自身を除く): 3793446200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1693501, 3387002, 6774004, 8467505, 13548008, 16935010, 33870020, 67740040, 72820543, 145641086, 291282172, 364102715, 582564344, 728205430, 1456410860, 2912821720]

約数ペア:

[(1, 2912821720), (2, 1456410860), (4, 728205430), (5, 582564344), (8, 364102715), (10, 291282172), (20, 145641086), (40, 72820543), (43, 67740040), (86, 33870020), (172, 16935010), (215, 13548008), (344, 8467505), (430, 6774004), (860, 3387002), (1720, 1693501)]