31927240

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1433}}^1$

素因数の和:2001

約数の個数: 32

約数和(自身を含む): 72015480

約数和(自身を除く): 40088240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 1433, 2228, 2785, 2866, 4456, 5570, 5732, 7165, 11140, 11464, 14330, 22280, 28660, 57320, 798181, 1596362, 3192724, 3990905, 6385448, 7981810, 15963620, 31927240]

約数ペア:

[(1, 31927240), (2, 15963620), (4, 7981810), (5, 6385448), (8, 3990905), (10, 3192724), (20, 1596362), (40, 798181), (557, 57320), (1114, 28660), (1433, 22280), (2228, 14330), (2785, 11464), (2866, 11140), (4456, 7165), (5570, 5732)]