131587240

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{25903}}^1$

素因数の和:26041

約数の個数: 32

約数和(自身を含む): 298414080

約数和(自身を除く): 166826840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 25903, 51806, 103612, 129515, 207224, 259030, 518060, 1036120, 3289681, 6579362, 13158724, 16448405, 26317448, 32896810, 65793620, 131587240]

約数ペア:

[(1, 131587240), (2, 65793620), (4, 32896810), (5, 26317448), (8, 16448405), (10, 13158724), (20, 6579362), (40, 3289681), (127, 1036120), (254, 518060), (508, 259030), (635, 207224), (1016, 129515), (1270, 103612), (2540, 51806), (5080, 25903)]