40120640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17911}}^1$

素因数の和:17935

約数の個数: 56

約数和(自身を含む): 109191552

約数和(自身を除く): 69070912

約数列:

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

約数ペア:

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