80301340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{809}}^1$

素因数の和:1534

約数の個数: 48

約数和(自身を含む): 193233600

約数和(自身を除く): 112932260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 709, 809, 1418, 1618, 2836, 3236, 3545, 4045, 4963, 5663, 7090, 8090, 9926, 11326, 14180, 16180, 19852, 22652, 24815, 28315, 49630, 56630, 99260, 113260, 573581, 1147162, 2294324, 2867905, 4015067, 5735810, 8030134, 11471620, 16060268, 20075335, 40150670, 80301340]

約数ペア:

[(1, 80301340), (2, 40150670), (4, 20075335), (5, 16060268), (7, 11471620), (10, 8030134), (14, 5735810), (20, 4015067), (28, 2867905), (35, 2294324), (70, 1147162), (140, 573581), (709, 113260), (809, 99260), (1418, 56630), (1618, 49630), (2836, 28315), (3236, 24815), (3545, 22652), (4045, 19852), (4963, 16180), (5663, 14180), (7090, 11326), (8090, 9926)]