31323280

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3083}}^1$

素因数の和:3223

約数の個数: 40

約数和(自身を含む): 73423872

約数和(自身を除く): 42100592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 3083, 5080, 6166, 10160, 12332, 15415, 24664, 30830, 49328, 61660, 123320, 246640, 391541, 783082, 1566164, 1957705, 3132328, 3915410, 6264656, 7830820, 15661640, 31323280]

約数ペア:

[(1, 31323280), (2, 15661640), (4, 7830820), (5, 6264656), (8, 3915410), (10, 3132328), (16, 1957705), (20, 1566164), (40, 783082), (80, 391541), (127, 246640), (254, 123320), (508, 61660), (635, 49328), (1016, 30830), (1270, 24664), (2032, 15415), (2540, 12332), (3083, 10160), (5080, 6166)]