39902975

素因数分解:

$5^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2131}}^1$

素因数の和:2255

約数の個数: 24

約数和(自身を含む): 57103488

約数和(自身を除く): 17200513

約数列:

[1, 5, 7, 25, 35, 107, 175, 535, 749, 2131, 2675, 3745, 10655, 14917, 18725, 53275, 74585, 228017, 372925, 1140085, 1596119, 5700425, 7980595, 39902975]

約数ペア:

[(1, 39902975), (5, 7980595), (7, 5700425), (25, 1596119), (35, 1140085), (107, 372925), (175, 228017), (535, 74585), (749, 53275), (2131, 18725), (2675, 14917), (3745, 10655)]