40547840

素因数分解:

$2^9\times 5^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:407

約数の個数: 80

約数和(自身を含む): 99582912

約数和(自身を除く): 59035072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 256, 320, 337, 376, 470, 512, 640, 674, 752, 940, 1280, 1348, 1504, 1685, 1880, 2560, 2696, 3008, 3370, 3760, 5392, 6016, 6740, 7520, 10784, 12032, 13480, 15040, 15839, 21568, 24064, 26960, 30080, 31678, 43136, 53920, 60160, 63356, 79195, 86272, 107840, 120320, 126712, 158390, 172544, 215680, 253424, 316780, 431360, 506848, 633560, 862720, 1013696, 1267120, 2027392, 2534240, 4054784, 5068480, 8109568, 10136960, 20273920, 40547840]

約数ペア:

[(1, 40547840), (2, 20273920), (4, 10136960), (5, 8109568), (8, 5068480), (10, 4054784), (16, 2534240), (20, 2027392), (32, 1267120), (40, 1013696), (47, 862720), (64, 633560), (80, 506848), (94, 431360), (128, 316780), (160, 253424), (188, 215680), (235, 172544), (256, 158390), (320, 126712), (337, 120320), (376, 107840), (470, 86272), (512, 79195), (640, 63356), (674, 60160), (752, 53920), (940, 43136), (1280, 31678), (1348, 30080), (1504, 26960), (1685, 24064), (1880, 21568), (2560, 15839), (2696, 15040), (3008, 13480), (3370, 12032), (3760, 10784), (5392, 7520), (6016, 6740)]