86591080

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{4253}}^1$

素因数の和:4773

約数の個数: 32

約数和(自身を含む): 195258600

約数和(自身を除く): 108667520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2545, 4072, 4253, 5090, 8506, 10180, 17012, 20360, 21265, 34024, 42530, 85060, 170120, 2164777, 4329554, 8659108, 10823885, 17318216, 21647770, 43295540, 86591080]

約数ペア:

[(1, 86591080), (2, 43295540), (4, 21647770), (5, 17318216), (8, 10823885), (10, 8659108), (20, 4329554), (40, 2164777), (509, 170120), (1018, 85060), (2036, 42530), (2545, 34024), (4072, 21265), (4253, 20360), (5090, 17012), (8506, 10180)]