140392040

素因数分解:

$2^3\times 5^1\times {\mathrm{3509801}}^1$

素因数の和:3509812

約数の個数: 16

約数和(自身を含む): 315882180

約数和(自身を除く): 175490140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3509801, 7019602, 14039204, 17549005, 28078408, 35098010, 70196020, 140392040]

約数ペア:

[(1, 140392040), (2, 70196020), (4, 35098010), (5, 28078408), (8, 17549005), (10, 14039204), (20, 7019602), (40, 3509801)]