12658940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4759}}^1$

素因数の和:4794

約数の個数: 48

約数和(自身を含む): 31987200

約数和(自身を除く): 19328260

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 4759, 9518, 19036, 23795, 33313, 47590, 66626, 90421, 95180, 133252, 166565, 180842, 333130, 361684, 452105, 632947, 666260, 904210, 1265894, 1808420, 2531788, 3164735, 6329470, 12658940]

約数ペア:

[(1, 12658940), (2, 6329470), (4, 3164735), (5, 2531788), (7, 1808420), (10, 1265894), (14, 904210), (19, 666260), (20, 632947), (28, 452105), (35, 361684), (38, 333130), (70, 180842), (76, 166565), (95, 133252), (133, 95180), (140, 90421), (190, 66626), (266, 47590), (380, 33313), (532, 23795), (665, 19036), (1330, 9518), (2660, 4759)]