28969120

素因数分解:

$2^5\times 5^1\times {\mathrm{331}}^1\times {\mathrm{547}}^1$

素因数の和:893

約数の個数: 48

約数和(自身を含む): 68771808

約数和(自身を除く): 39802688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 331, 547, 662, 1094, 1324, 1655, 2188, 2648, 2735, 3310, 4376, 5296, 5470, 6620, 8752, 10592, 10940, 13240, 17504, 21880, 26480, 43760, 52960, 87520, 181057, 362114, 724228, 905285, 1448456, 1810570, 2896912, 3621140, 5793824, 7242280, 14484560, 28969120]

約数ペア:

[(1, 28969120), (2, 14484560), (4, 7242280), (5, 5793824), (8, 3621140), (10, 2896912), (16, 1810570), (20, 1448456), (32, 905285), (40, 724228), (80, 362114), (160, 181057), (331, 87520), (547, 52960), (662, 43760), (1094, 26480), (1324, 21880), (1655, 17504), (2188, 13240), (2648, 10940), (2735, 10592), (3310, 8752), (4376, 6620), (5296, 5470)]