80241280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17911}}^1$

素因数の和:17937

約数の個数: 64

約数和(自身を含む): 219242880

約数和(自身を除く): 139001600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 17911, 35822, 71644, 89555, 125377, 143288, 179110, 250754, 286576, 358220, 501508, 573152, 626885, 716440, 1003016, 1146304, 1253770, 1432880, 2006032, 2292608, 2507540, 2865760, 4012064, 5015080, 5731520, 8024128, 10030160, 11463040, 16048256, 20060320, 40120640, 80241280]

約数ペア:

[(1, 80241280), (2, 40120640), (4, 20060320), (5, 16048256), (7, 11463040), (8, 10030160), (10, 8024128), (14, 5731520), (16, 5015080), (20, 4012064), (28, 2865760), (32, 2507540), (35, 2292608), (40, 2006032), (56, 1432880), (64, 1253770), (70, 1146304), (80, 1003016), (112, 716440), (128, 626885), (140, 573152), (160, 501508), (224, 358220), (280, 286576), (320, 250754), (448, 179110), (560, 143288), (640, 125377), (896, 89555), (1120, 71644), (2240, 35822), (4480, 17911)]