2017395080

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{489659}}^1$

素因数の和:489773

約数の個数: 32

約数和(自身を含む): 4583217600

約数和(自身を除く): 2565822520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 489659, 979318, 1958636, 2448295, 3917272, 4896590, 9793180, 19586360, 50434877, 100869754, 201739508, 252174385, 403479016, 504348770, 1008697540, 2017395080]

約数ペア:

[(1, 2017395080), (2, 1008697540), (4, 504348770), (5, 403479016), (8, 252174385), (10, 201739508), (20, 100869754), (40, 50434877), (103, 19586360), (206, 9793180), (412, 4896590), (515, 3917272), (824, 2448295), (1030, 1958636), (2060, 979318), (4120, 489659)]