2065720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1201}}^1$

素因数の和:1255

約数の個数: 32

約数和(自身を含む): 4759920

約数和(自身を除く): 2694200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1201, 1720, 2402, 4804, 6005, 9608, 12010, 24020, 48040, 51643, 103286, 206572, 258215, 413144, 516430, 1032860, 2065720]

約数ペア:

[(1, 2065720), (2, 1032860), (4, 516430), (5, 413144), (8, 258215), (10, 206572), (20, 103286), (40, 51643), (43, 48040), (86, 24020), (172, 12010), (215, 9608), (344, 6005), (430, 4804), (860, 2402), (1201, 1720)]