38916520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^2\times {\mathrm{193}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 89272980

約数和(自身を除く): 50356460

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 193, 284, 355, 386, 568, 710, 772, 965, 1420, 1544, 1930, 2840, 3860, 5041, 7720, 10082, 13703, 20164, 25205, 27406, 40328, 50410, 54812, 68515, 100820, 109624, 137030, 201640, 274060, 548120, 972913, 1945826, 3891652, 4864565, 7783304, 9729130, 19458260, 38916520]

約数ペア:

[(1, 38916520), (2, 19458260), (4, 9729130), (5, 7783304), (8, 4864565), (10, 3891652), (20, 1945826), (40, 972913), (71, 548120), (142, 274060), (193, 201640), (284, 137030), (355, 109624), (386, 100820), (568, 68515), (710, 54812), (772, 50410), (965, 40328), (1420, 27406), (1544, 25205), (1930, 20164), (2840, 13703), (3860, 10082), (5041, 7720)]