40757120

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1481}}^1$

素因数の和:1543

約数の個数: 64

約数和(自身を含む): 99768240

約数和(自身を除く): 59011120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 860, 1376, 1481, 1720, 2752, 2962, 3440, 5504, 5924, 6880, 7405, 11848, 13760, 14810, 23696, 27520, 29620, 47392, 59240, 63683, 94784, 118480, 127366, 189568, 236960, 254732, 318415, 473920, 509464, 636830, 947840, 1018928, 1273660, 2037856, 2547320, 4075712, 5094640, 8151424, 10189280, 20378560, 40757120]

約数ペア:

[(1, 40757120), (2, 20378560), (4, 10189280), (5, 8151424), (8, 5094640), (10, 4075712), (16, 2547320), (20, 2037856), (32, 1273660), (40, 1018928), (43, 947840), (64, 636830), (80, 509464), (86, 473920), (128, 318415), (160, 254732), (172, 236960), (215, 189568), (320, 127366), (344, 118480), (430, 94784), (640, 63683), (688, 59240), (860, 47392), (1376, 29620), (1481, 27520), (1720, 23696), (2752, 14810), (2962, 13760), (3440, 11848), (5504, 7405), (5924, 6880)]