16508920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5813}}^1$

素因数の和:5895

約数の個数: 32

約数和(自身を含む): 37674720

約数和(自身を除く): 21165800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 5813, 11626, 23252, 29065, 46504, 58130, 116260, 232520, 412723, 825446, 1650892, 2063615, 3301784, 4127230, 8254460, 16508920]

約数ペア:

[(1, 16508920), (2, 8254460), (4, 4127230), (5, 3301784), (8, 2063615), (10, 1650892), (20, 825446), (40, 412723), (71, 232520), (142, 116260), (284, 58130), (355, 46504), (568, 29065), (710, 23252), (1420, 11626), (2840, 5813)]