30666520

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{2089}}^1$

素因数の和:2467

約数の個数: 32

約数和(自身を含む): 69220800

約数和(自身を除く): 38554280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 1468, 1835, 2089, 2936, 3670, 4178, 7340, 8356, 10445, 14680, 16712, 20890, 41780, 83560, 766663, 1533326, 3066652, 3833315, 6133304, 7666630, 15333260, 30666520]

約数ペア:

[(1, 30666520), (2, 15333260), (4, 7666630), (5, 6133304), (8, 3833315), (10, 3066652), (20, 1533326), (40, 766663), (367, 83560), (734, 41780), (1468, 20890), (1835, 16712), (2089, 14680), (2936, 10445), (3670, 8356), (4178, 7340)]