814201720

素因数分解:

$2^3\times 5^1\times {\mathrm{20355043}}^1$

素因数の和:20355054

約数の個数: 16

約数和(自身を含む): 1831953960

約数和(自身を除く): 1017752240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20355043, 40710086, 81420172, 101775215, 162840344, 203550430, 407100860, 814201720]

約数ペア:

[(1, 814201720), (2, 407100860), (4, 203550430), (5, 162840344), (8, 101775215), (10, 81420172), (20, 40710086), (40, 20355043)]