51412720

素因数分解:

$2^4\times 5^1\times {\mathrm{337}}^1\times {\mathrm{1907}}^1$

素因数の和:2257

約数の個数: 40

約数和(自身を含む): 119952144

約数和(自身を除く): 68539424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 337, 674, 1348, 1685, 1907, 2696, 3370, 3814, 5392, 6740, 7628, 9535, 13480, 15256, 19070, 26960, 30512, 38140, 76280, 152560, 642659, 1285318, 2570636, 3213295, 5141272, 6426590, 10282544, 12853180, 25706360, 51412720]

約数ペア:

[(1, 51412720), (2, 25706360), (4, 12853180), (5, 10282544), (8, 6426590), (10, 5141272), (16, 3213295), (20, 2570636), (40, 1285318), (80, 642659), (337, 152560), (674, 76280), (1348, 38140), (1685, 30512), (1907, 26960), (2696, 19070), (3370, 15256), (3814, 13480), (5392, 9535), (6740, 7628)]