140521520

素因数分解:

$2^4\times 5^1\times {\mathrm{1756519}}^1$

素因数の和:1756532

約数の個数: 20

約数和(自身を含む): 326712720

約数和(自身を除く): 186191200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1756519, 3513038, 7026076, 8782595, 14052152, 17565190, 28104304, 35130380, 70260760, 140521520]

約数ペア:

[(1, 140521520), (2, 70260760), (4, 35130380), (5, 28104304), (8, 17565190), (10, 14052152), (16, 8782595), (20, 7026076), (40, 3513038), (80, 1756519)]