145280680

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{10289}}^1$

素因数の和:10653

約数の個数: 32

約数和(自身を含む): 327839400

約数和(自身を除く): 182558720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 7060, 10289, 14120, 20578, 41156, 51445, 82312, 102890, 205780, 411560, 3632017, 7264034, 14528068, 18160085, 29056136, 36320170, 72640340, 145280680]

約数ペア:

[(1, 145280680), (2, 72640340), (4, 36320170), (5, 29056136), (8, 18160085), (10, 14528068), (20, 7264034), (40, 3632017), (353, 411560), (706, 205780), (1412, 102890), (1765, 82312), (2824, 51445), (3530, 41156), (7060, 20578), (10289, 14120)]