12531920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3643}}^1$

素因数の和:3699

約数の個数: 40

約数和(自身を含む): 29822496

約数和(自身を除く): 17290576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 3643, 7286, 14572, 18215, 29144, 36430, 58288, 72860, 145720, 156649, 291440, 313298, 626596, 783245, 1253192, 1566490, 2506384, 3132980, 6265960, 12531920]

約数ペア:

[(1, 12531920), (2, 6265960), (4, 3132980), (5, 2506384), (8, 1566490), (10, 1253192), (16, 783245), (20, 626596), (40, 313298), (43, 291440), (80, 156649), (86, 145720), (172, 72860), (215, 58288), (344, 36430), (430, 29144), (688, 18215), (860, 14572), (1720, 7286), (3440, 3643)]